diff --git a/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.form b/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.form
index 1cf55c8..27c513d 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.form
+++ b/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.form
@@ -338,7 +338,7 @@
                             </constraints>
                             <properties>
                               <editable value="false"/>
-                              <text value="-noInit -noLogs"/>
+                              <text value=""/>
                             </properties>
                           </component>
                         </children>
@@ -1784,7 +1784,9 @@
                                   <model>
                                     <item value=""/>
                                     <item value="tbb4malloc_bi"/>
+                                    <item value="tbb4malloc_bi_x64"/>
                                     <item value="jemalloc_bi"/>
+                                    <item value="jemalloc_bi_x64"/>
                                     <item value="system"/>
                                   </model>
                                 </properties>
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.java b/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.java
index c0d88e5..198d2e9 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/LauncherGUI.java
@@ -201,11 +201,11 @@ public class LauncherGUI implements Observer {
         fileChecker.addObserver(this);
         syncer.addObserver(this);
 
-        if (Parameters.ARMA_PATH.toStringParameter().getConfigValue() == null || Parameters.ARMA_PATH.toStringParameter().getConfigValue().isEmpty()) {
+        if (Parameters.ARMA_PATH.toParameter().getConfigValue() == null || ((String) Parameters.ARMA_PATH.toParameter().getConfigValue()).isEmpty()) {
             final Path installationPath = ArmaUtils.getInstallationPath();
             if (installationPath != null) {
-                Parameters.ARMA_PATH.toStringParameter().save(installationPath.toAbsolutePath().toString());
-                Parameters.MOD_PATH.toStringParameter().save(Paths.get(
+                Parameters.ARMA_PATH.toParameter().save(installationPath.toAbsolutePath().toString());
+                Parameters.MOD_PATH.toParameter().save(Paths.get(
                         installationPath.toAbsolutePath().toString(), ArmA3Launcher.config.getString("name") + " Mods"
                 ).toAbsolutePath().toString());
                 techCheck();
@@ -250,7 +250,8 @@ public class LauncherGUI implements Observer {
 
         playPresetButton.setMargin(new Insets(10, 10, 10, 10));
 
-        serverTable.setModel(new ServerTableModel());
+        final ServerTableModel serverTableModel = new ServerTableModel();
+        serverTable.setModel(serverTableModel);
         presetList.setModel(new PresetTableModel());
 
         presetList.setCellRenderer(new PresetListRenderer());
@@ -301,11 +302,41 @@ public class LauncherGUI implements Observer {
         updateTreeScrolPane.getVerticalScrollBar().setUnitIncrement(16);
         splitView.setDividerLocation(-1);
 
+        ListSelectionModel selectionModel = serverTable.getSelectionModel();
+        selectionModel.addListSelectionListener(e -> {
+            if (serverTable.getSelectedRow() == -1) {
+                playButton.setEnabled(false);
+                parameterText.setText("");
+                return;
+            }
+            ServerTableModel m = (ServerTableModel) serverTable.getModel();
+            Server server = m.getServer(serverTable.getSelectedRow());
+
+            parameterText.setText(ArmaUtils.getGameParameter(server.getPreset()));
+            techCheck();
+        });
+
+        playButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (serverTable.getSelectedRow() == -1) {
+                    playButton.setEnabled(false);
+                    parameterText.setText("");
+                    return;
+                }
+                ServerTableModel m = (ServerTableModel) serverTable.getModel();
+                Server server = m.getServer(serverTable.getSelectedRow());
+
+                ArmaUtils.start(server.getPreset(), server.getStartparameter().stream().toArray(String[]::new));
+            }
+        });
+
         presetList.addListSelectionListener(e -> {
             if (!e.getValueIsAdjusting()) {
                 PresetTableModel m = (PresetTableModel) presetList.getModel();
                 Object elementAt = m.getElementAt(presetList.getSelectedIndex());
                 Modset modset = (Modset) elementAt;
+                if (modset == null) return;
 
                 if (modset.getType() == Modset.Type.SERVER || modset.getType() == Modset.Type.PLACEHOLDER) {
                     renamePresetButton.setEnabled(false);
@@ -315,8 +346,34 @@ public class LauncherGUI implements Observer {
                     removePresetButtom.setEnabled(true);
                 }
                 clonePresetButton.setEnabled(modset.getType() != Modset.Type.PLACEHOLDER);
+                if (modset.getType() == Modset.Type.PLACEHOLDER) {
+                    modList.setModel(new DefaultListModel<String>());
+                    presetNotePane.setVisible(false);
+                    presetList.clearSelection();
+                }
 
                 updateModList(modset);
+                techCheck();
+            }
+        });
+
+        playPresetButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (presetList.getSelectedIndex() == -1) {
+                    playPresetButton.setEnabled(false);
+                    parameterText.setText("");
+                    return;
+                }
+
+                PresetTableModel model1 = (PresetTableModel) presetList.getModel();
+                if (presetList.getSelectedIndex() == -1) return;
+                Object elementAt = model1.getElementAt(presetList.getSelectedIndex());
+                Modset selectedModset = (Modset) elementAt;
+
+                if(selectedModset.getType() == Modset.Type.PLACEHOLDER) return;
+
+                ArmaUtils.start(selectedModset);
             }
         });
 
@@ -598,10 +655,12 @@ public class LauncherGUI implements Observer {
     }
 
     public void techCheck() {
-        boolean pathSet = Parameters.ARMA_PATH.toStringParameter().getConfigValue() != null && Parameters.ARMA_PATH.toStringParameter().getConfigValue() != null;
+        boolean pathSet = Parameters.ARMA_PATH.toParameter().getConfigValue() != null && Parameters.ARMA_PATH.toParameter().getConfigValue() != null;
+
+        playButton.setEnabled(false);
+        playPresetButton.setEnabled(false);
+
         if (SteamTimer.arma_running) {
-            playButton.setEnabled(false);
-            playPresetButton.setEnabled(false);
             syncIntensiveCheckButton.setEnabled(false);
             syncFastCheckButton.setEnabled(false);
             refreshRepoButton.setEnabled(false);
@@ -614,22 +673,20 @@ public class LauncherGUI implements Observer {
         } else {
             if (SteamTimer.steam_running) {
                 if (pathSet) {
-                    playButton.setEnabled(true);
-                    playPresetButton.setEnabled(true);
+                    if (serverTable.getSelectedRow() != -1) {
+                        playButton.setEnabled(true);
+                        playButton.setToolTipText(null);
+                    }
 
-                    playButton.setToolTipText(null);
-                    playPresetButton.setToolTipText(null);
+                    if (presetList.getSelectedIndex() != -1) {
+                        playPresetButton.setEnabled(true);
+                        playPresetButton.setToolTipText(null);
+                    }
                 } else {
-                    playButton.setEnabled(false);
-                    playPresetButton.setEnabled(false);
-
                     playButton.setToolTipText(LangUtils.getInstance().getString("path_not_set"));
                     playPresetButton.setToolTipText(LangUtils.getInstance().getString("path_not_set"));
                 }
             } else {
-                playButton.setEnabled(false);
-                playPresetButton.setEnabled(false);
-
                 playButton.setToolTipText(LangUtils.getInstance().getString("steam_not_running"));
                 playPresetButton.setToolTipText(LangUtils.getInstance().getString("steam_not_running"));
             }
@@ -673,7 +730,7 @@ public class LauncherGUI implements Observer {
         for (int i = 0; i < directories.length; i++) {
             try {
                 readableDirectories[i] = URLDecoder.decode(directories[i], StandardCharsets.UTF_8.name());
-            } catch (UnsupportedEncodingException e) {
+            } catch (UnsupportedEncodingException | IllegalArgumentException e) {
                 readableDirectories[i] = directories[i];
             }
         }
@@ -681,7 +738,7 @@ public class LauncherGUI implements Observer {
         ((JComboBox<String>) settingsProfileCombo).setModel(new DefaultComboBoxModel<>(readableDirectories));
 
 
-        initFolderChooser(settingsArmaPathText, settingsArmaPathBtn, Parameters.ARMA_PATH.toStringParameter(), new Callback.JFileSelectCallback() {
+        initFolderChooser(settingsArmaPathText, settingsArmaPathBtn, Parameters.ARMA_PATH.toParameter(), new Callback.JFileSelectCallback() {
             @Override
             public boolean allowSelection(File path) {
                 String sPath = path.getAbsolutePath();
@@ -702,7 +759,7 @@ public class LauncherGUI implements Observer {
             }
         });
 
-        initFolderChooser(settingsModsPathText, settingsModsPathBtn, Parameters.MOD_PATH.toStringParameter(), new Callback.JFileSelectCallback() {
+        initFolderChooser(settingsModsPathText, settingsModsPathBtn, Parameters.MOD_PATH.toParameter(), new Callback.JFileSelectCallback() {
             @Override
             public boolean allowSelection(File path) {
                 String sPath = path.getAbsolutePath();
@@ -721,39 +778,39 @@ public class LauncherGUI implements Observer {
 
         // -------------------------------- COMBO BOXES --------------------------------
 
-        initComboBox(settingsLanguageCombo, Parameters.LANGUAGE.toStringParameter());
-        initComboBox(settingsBehaviorStartCombo, Parameters.BEHAVIOUR_AFTER_START.toStringParameter());
+        initComboBox(settingsLanguageCombo, Parameters.LANGUAGE.toParameter());
+        initComboBox(settingsBehaviorStartCombo, Parameters.BEHAVIOUR_AFTER_START.toParameter());
 
-        initComboBox(settingsProfileCombo, Parameters.PROFILE.toStringParameter(directories));
-        initComboBox(settingsExThreadsCombo, Parameters.EXTRA_THREADS.toStringParameter());
-        initComboBox(settingsMallocCombo, Parameters.MALLOC.toStringParameter());
+        initComboBox(settingsProfileCombo, Parameters.PROFILE.toParameter(readableDirectories));
+        initComboBox(settingsExThreadsCombo, Parameters.EXTRA_THREADS.toParameter());
+        initComboBox(settingsMallocCombo, Parameters.MALLOC.toParameter());
 
 
         // -------------------------------- CHECK BOXES --------------------------------
 
-        initCheckBox(settingsShowParameterBox, Parameters.SHOW_START_PARAMETER.toBooolParameter());
+        initCheckBox(settingsShowParameterBox, Parameters.SHOW_START_PARAMETER.toParameter());
         settingsShowParameterBox.addItemListener(e -> parameterText.setVisible(e.getStateChange() == ItemEvent.SELECTED));
-        initCheckBox(settingsCheckModsBox, Parameters.CHECK_MODSET.toBooolParameter());
+        initCheckBox(settingsCheckModsBox, Parameters.CHECK_MODSET.toParameter());
 
-        initCheckBox(settingsUseWorkshopBox, Parameters.USE_WORKSHOP.toBooolParameter());
+        initCheckBox(settingsUseWorkshopBox, Parameters.USE_WORKSHOP.toParameter());
         settingsUseWorkshopBox.addItemListener(e -> {
             if (e.getStateChange() == ItemEvent.SELECTED) {
                 SwingUtilities.invokeLater(() -> warnBox(LangUtils.getInstance().getString("warning_workshop"), LangUtils.getInstance().getString("warning")));
             }
         });
 
-        initCheckBox(settingsUseSixtyFourBitBox, Parameters.USE_64_BIT_CLIENT.toBooolParameter());
-        initCheckBox(settingsNoSplashBox, Parameters.NO_SPLASH.toBooolParameter());
-        initCheckBox(settingsSkipIntroBox, Parameters.SKIP_INTRO.toBooolParameter());
-        initCheckBox(settingsNoCBBox, Parameters.NO_CB.toBooolParameter());
-        initCheckBox(settingsNoLogsBox, Parameters.NO_LOGS.toBooolParameter());
-        initCheckBox(settingsEnableHTBox, Parameters.ENABLE_HT.toBooolParameter());
-        initCheckBox(settingsHugeoagesBox, Parameters.HUGEPAGES.toBooolParameter());
-        initCheckBox(settingsNoPauseBox, Parameters.NO_PAUSE.toBooolParameter());
-        initCheckBox(settingsShowScriptErrorsBox, Parameters.SHOW_SCRIPT_ERRORS.toBooolParameter());
-        initCheckBox(settingsFilePatchingBox, Parameters.FILE_PATCHING.toBooolParameter());
-        initCheckBox(settingsCrashDiagBox, Parameters.CRASH_DIAG.toBooolParameter());
-        initCheckBox(settingsWindowBox, Parameters.WINDOW.toBooolParameter());
+        initCheckBox(settingsUseSixtyFourBitBox, Parameters.USE_64_BIT_CLIENT.toParameter());
+        initCheckBox(settingsNoSplashBox, Parameters.NO_SPLASH.toParameter());
+        initCheckBox(settingsSkipIntroBox, Parameters.SKIP_INTRO.toParameter());
+        initCheckBox(settingsNoCBBox, Parameters.NO_CB.toParameter());
+        initCheckBox(settingsNoLogsBox, Parameters.NO_LOGS.toParameter());
+        initCheckBox(settingsEnableHTBox, Parameters.ENABLE_HT.toParameter());
+        initCheckBox(settingsHugeoagesBox, Parameters.HUGEPAGES.toParameter());
+        initCheckBox(settingsNoPauseBox, Parameters.NO_PAUSE.toParameter());
+        initCheckBox(settingsShowScriptErrorsBox, Parameters.SHOW_SCRIPT_ERRORS.toParameter());
+        initCheckBox(settingsFilePatchingBox, Parameters.FILE_PATCHING.toParameter());
+        initCheckBox(settingsCrashDiagBox, Parameters.CRASH_DIAG.toParameter());
+        initCheckBox(settingsWindowBox, Parameters.WINDOW.toParameter());
 
 
         // -------------------------------- SPINNER --------------------------------
@@ -761,33 +818,33 @@ public class LauncherGUI implements Observer {
         OperatingSystemMXBean mxbean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
         int memorySize = (int) (mxbean.getTotalPhysicalMemorySize() / 1024);
 
-        initSpinner(settingsMaxMemSpinner, Parameters.MAX_MEM.toStringParameter(), -1, memorySize);
-        initSpinner(settingsMaxVRamSpinner, Parameters.MAX_VRAM.toStringParameter(), -1, 99999);
-        initSpinner(settingsCpuCountSpinner, Parameters.CPU_COUNT.toStringParameter(), 0, Runtime.getRuntime().availableProcessors());
-        initSpinner(settingsPosXSpinner, Parameters.POS_X.toStringParameter(), -1, 99999);
-        initSpinner(settingsPosYSpinner, Parameters.POS_Y.toStringParameter(), -1, 99999);
+        initSpinner(settingsMaxMemSpinner, Parameters.MAX_MEM.toParameter(), -1, memorySize);
+        initSpinner(settingsMaxVRamSpinner, Parameters.MAX_VRAM.toParameter(), -1, 99999);
+        initSpinner(settingsCpuCountSpinner, Parameters.CPU_COUNT.toParameter(), 0, Runtime.getRuntime().availableProcessors());
+        initSpinner(settingsPosXSpinner, Parameters.POS_X.toParameter(), -1, 99999);
+        initSpinner(settingsPosYSpinner, Parameters.POS_Y.toParameter(), -1, 99999);
 
         // -------------------------------- -------------------------------- --------------------------------
     }
 
-    private void initCheckBox(JCheckBox cb, Parameter<Boolean> paraObj) {
-        cb.setSelected(paraObj.getValue());
+    private void initCheckBox(JCheckBox cb, Parameter paraObj) {
+        cb.setSelected((Boolean) paraObj.getValue());
         cb.addItemListener(new SettingsHandler.CheckBoxListener(paraObj));
     }
 
-    private void initComboBox(JComboBox<String> cb, Parameter<String> paraObj) {
+    private void initComboBox(JComboBox<String> cb, Parameter paraObj) {
         cb.setSelectedIndex(paraObj.getIndex());
         if (cb.getItemListeners().length == 1) cb.addItemListener(new SettingsHandler.ComboBoxListener(paraObj));
     }
 
-    private void initFolderChooser(JTextField showText, JButton actionButton, Parameter<String> paraObj, Callback.JFileSelectCallback check) {
-        showText.setText(paraObj.getValue());
+    private void initFolderChooser(JTextField showText, JButton actionButton, Parameter paraObj, Callback.JFileSelectCallback check) {
+        showText.setText((String) paraObj.getValue());
         if (actionButton.getActionListeners().length == 0)
             actionButton.addActionListener(new SettingsHandler.Fileistener(mainPanel, paraObj, check));
     }
 
-    public void initSpinner(JSpinner spinner, Parameter<String> paraObj, int min, int max) {
-        SpinnerNumberModel RAMModel = new SpinnerNumberModel(Integer.parseInt(paraObj.getValue()), min, max, 1);
+    public void initSpinner(JSpinner spinner, Parameter paraObj, int min, int max) {
+        SpinnerNumberModel RAMModel = new SpinnerNumberModel(Integer.parseInt((String) paraObj.getValue()), min, max, 1);
         spinner.setModel(RAMModel);
         JComponent comp = spinner.getEditor();
         JFormattedTextField field = (JFormattedTextField) comp.getComponent(0);
@@ -844,6 +901,8 @@ public class LauncherGUI implements Observer {
         if (modset.getType() == Modset.Type.PLACEHOLDER) return;
         int[] select = new int[modset.getMods().size()];
 
+        parameterText.setText(ArmaUtils.getGameParameter(modset));
+
         AtomicInteger selectCounter = new AtomicInteger(0);
         RepositoryManger.MOD_LIST.stream()
                 .filter((am) -> am instanceof Mod)
@@ -1061,9 +1120,9 @@ public class LauncherGUI implements Observer {
                     refreshRepoButton.setEnabled(true);
                     updateRepoTree();
 
-                    final Parameter<Boolean> checkModsetParameter = Parameters.CHECK_MODSET.toBooolParameter();
-                    if(checkModsetParameter.getValue() != null && checkModsetParameter.getValue()) {
-                        if(!fileChecker.isChecked()) {
+                    final Parameter checkModsetParameter = Parameters.CHECK_MODSET.toParameter();
+                    if (checkModsetParameter.getValue() != null && (boolean) checkModsetParameter.getValue()) {
+                        if (!fileChecker.isChecked()) {
                             SwingUtilities.invokeLater(() -> fileCheck(false));
                             Logger.getLogger(getClass().getName()).log(Level.INFO, "Started file check on launch");
                         }
@@ -1130,8 +1189,8 @@ public class LauncherGUI implements Observer {
 
             lastSynclist = null;
         } else if (s.equals("syncStopped")) {
-            final Parameter<Boolean> workshopParameter = Parameters.USE_WORKSHOP.toBooolParameter();
-            new Thread(() -> fileChecker.check(!(workshopParameter.getValue() != null && workshopParameter.getValue()))).start();
+            final Parameter workshopParameter = Parameters.USE_WORKSHOP.toParameter();
+            new Thread(() -> fileChecker.check(!(workshopParameter.getValue() != null && (boolean) workshopParameter.getValue()))).start();
             SwingUtilities.invokeLater(() -> {
                 syncDownloadButton.setEnabled(false);
                 syncDownloadAbortButton.setEnabled(false);
@@ -1142,8 +1201,8 @@ public class LauncherGUI implements Observer {
                 TaskBarUtils.getInstance().off();
             });
         } else if (s.equals("syncComplete")) {
-            final Parameter<Boolean> workshopParameter = Parameters.USE_WORKSHOP.toBooolParameter();
-            new Thread(() -> fileChecker.check(!(workshopParameter.getValue() != null && workshopParameter.getValue()))).start();
+            final Parameter workshopParameter = Parameters.USE_WORKSHOP.toParameter();
+            new Thread(() -> fileChecker.check(!(workshopParameter.getValue() != null && (boolean) workshopParameter.getValue()))).start();
             SwingUtilities.invokeLater(() -> {
                 syncDownloadButton.setEnabled(false);
                 syncDownloadAbortButton.setEnabled(false);
@@ -1234,6 +1293,9 @@ public class LauncherGUI implements Observer {
         switch (tab) {
             case PLAY:
                 playPanelButton.setBackground(focusBackgroundColor);
+
+                parameterText.setText("");
+                serverTable.clearSelection();
                 break;
 
             case UPDATE:
@@ -1247,6 +1309,14 @@ public class LauncherGUI implements Observer {
 
             case PRESET:
                 presetPanelButton.setBackground(focusBackgroundColor);
+
+                presetList.clearSelection();
+                modList.setModel(new DefaultListModel<String>());
+                presetNotePane.setVisible(false);
+
+                clonePresetButton.setEnabled(false);
+                renamePresetButton.setEnabled(false);
+                removePresetButtom.setEnabled(false);
                 break;
 
             case SETTING:
@@ -1276,6 +1346,7 @@ public class LauncherGUI implements Observer {
         }
 
         tabbedPane1.setSelectedIndex(tab.getIndex());
+        techCheck();
     }
 
     {
@@ -1462,7 +1533,7 @@ public class LauncherGUI implements Observer {
         panel6.add(playButton, new GridConstraints(0, 0, 1, 1, GridConstraints.ANCHOR_CENTER, GridConstraints.FILL_HORIZONTAL, GridConstraints.SIZEPOLICY_CAN_SHRINK | GridConstraints.SIZEPOLICY_CAN_GROW, GridConstraints.SIZEPOLICY_FIXED, null, null, null, 0, false));
         parameterText = new JTextField();
         parameterText.setEditable(false);
-        parameterText.setText("-noInit -noLogs");
+        parameterText.setText("");
         panel6.add(parameterText, new GridConstraints(1, 0, 1, 1, GridConstraints.ANCHOR_WEST, GridConstraints.FILL_HORIZONTAL, GridConstraints.SIZEPOLICY_WANT_GROW, GridConstraints.SIZEPOLICY_FIXED, null, new Dimension(150, -1), null, 0, false));
         updateTab = new JPanel();
         updateTab.setLayout(new GridLayoutManager(2, 2, new Insets(0, 0, 5, 0), -1, -1));
@@ -2042,7 +2113,9 @@ public class LauncherGUI implements Observer {
         final DefaultComboBoxModel defaultComboBoxModel2 = new DefaultComboBoxModel();
         defaultComboBoxModel2.addElement("");
         defaultComboBoxModel2.addElement("tbb4malloc_bi");
+        defaultComboBoxModel2.addElement("tbb4malloc_bi_x64");
         defaultComboBoxModel2.addElement("jemalloc_bi");
+        defaultComboBoxModel2.addElement("jemalloc_bi_x64");
         defaultComboBoxModel2.addElement("system");
         settingsMallocCombo.setModel(defaultComboBoxModel2);
         panel35.add(settingsMallocCombo, new GridConstraints(23, 2, 1, 1, GridConstraints.ANCHOR_WEST, GridConstraints.FILL_HORIZONTAL, GridConstraints.SIZEPOLICY_CAN_GROW, GridConstraints.SIZEPOLICY_FIXED, null, null, null, 0, false));
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/Parameter.java b/gui/src/main/java/de/mc8051/arma3launcher/Parameter.java
index 43f60a9..ff4465e 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/Parameter.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/Parameter.java
@@ -11,23 +11,23 @@ import java.util.logging.Logger;
 /**
  * Created by gurkengewuerz.de on 24.03.2020.
  */
-public class Parameter<T> {
+public class Parameter {
 
     private String name;
     private ParameterType pType;
-    private Class<T> persistentClass;
+    private Class<?> persistentClass;
     private String[] values = null;
     private String startParameter = "";
 
-    public Parameter(String name, ParameterType pType, Class<T> persistentClass) {
+    public Parameter(String name, ParameterType pType, Class<?> persistentClass) {
         this(name, pType, persistentClass, null, "");
     }
 
-    public Parameter(String name, ParameterType pType, Class<T> persistentClass, String startParameter) {
+    public Parameter(String name, ParameterType pType, Class<?> persistentClass, String startParameter) {
         this(name, pType, persistentClass, null, startParameter);
     }
 
-    public Parameter(String name, ParameterType pType, Class<T> persistentClass, String[] values, String startParameter) {
+    public Parameter(String name, ParameterType pType, Class<?> persistentClass, String[] values, String startParameter) {
         this.name = name;
         this.pType = pType;
         this.persistentClass = persistentClass;
@@ -45,8 +45,8 @@ public class Parameter<T> {
         return "";
     }
 
-    public void save(T data) {
-        T def = getDefault();
+    public void save(Object data) {
+        Object def = getDefault();
 
         if (data == def || (persistentClass.getTypeName().equals("java.lang.String") && String.valueOf(data).equals(String.valueOf(def)))) {
             // remove entry from user config
@@ -75,7 +75,7 @@ public class Parameter<T> {
     public void save(int index) {
         if(values == null) throw new IllegalAccessError("call of save(int index) is only allowed for ComboBoxes");
         if(index > values.length - 1) throw new IndexOutOfBoundsException("index " + index + " is out of bound. Max: " + (values.length -1));
-        save((T) values[index]);
+        save(values[index]);
     }
 
     public String getParameter() {
@@ -83,7 +83,7 @@ public class Parameter<T> {
         return startParameter;
     }
 
-    public T getConfigValue() {
+    public Object getConfigValue() {
         // Get User Value else Default else null
         Ini.Section section = ArmA3Launcher.user_config.get(getUserConfigSectionName());
         if (section != null) {
@@ -91,16 +91,16 @@ public class Parameter<T> {
                 String val = section.get(name);
 
                 if (persistentClass.getTypeName().equals("java.lang.Boolean")) {
-                    return (T) (Boolean) Boolean.valueOf(val.toLowerCase());
-                } else return (T) val;
+                    return Boolean.valueOf(val.toLowerCase());
+                } else return val;
             }
         }
 
         return null;
     }
 
-    public T getValue() {
-        final T configValue = getConfigValue();
+    public Object getValue() {
+        final Object configValue = getConfigValue();
         if(configValue != null) return configValue;
         return getDefault();
     }
@@ -114,11 +114,11 @@ public class Parameter<T> {
         return -1;
     }
 
-    public T getDefault() {
+    public Object getDefault() {
         if (persistentClass.getTypeName().equals("java.lang.Boolean")) {
-            return (T) (Boolean) ArmA3Launcher.config.getBoolean( getUserConfigSectionName() + "." + name);
+            return ArmA3Launcher.config.getBoolean( getUserConfigSectionName() + "." + name);
         } else if (persistentClass.getTypeName().equals("java.lang.String"))
-            return (T) ArmA3Launcher.config.getString(getUserConfigSectionName()+ "." + name);
+            return ArmA3Launcher.config.getString(getUserConfigSectionName()+ "." + name);
         else return null;
     }
 
@@ -126,7 +126,7 @@ public class Parameter<T> {
         return startParameter;
     }
 
-    enum ParameterType {
+    public enum ParameterType {
         ARMA,
         CLIENT
     }
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/Parameters.java b/gui/src/main/java/de/mc8051/arma3launcher/Parameters.java
index e3fe99f..20addab 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/Parameters.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/Parameters.java
@@ -5,68 +5,70 @@ package de.mc8051.arma3launcher;
  */
 public enum Parameters {
 
-    LANGUAGE("language", Parameter.ParameterType.CLIENT, "", new String[]{"system", "en_US", "de_DE"}),
-    BEHAVIOUR_AFTER_START("behaviourAfterStart", Parameter.ParameterType.CLIENT, "", new String[]{"nothing", "minimize", "exit"}),
-    SHOW_START_PARAMETER("ShowStartParameter", Parameter.ParameterType.CLIENT),
-    CHECK_MODSET("CheckModset", Parameter.ParameterType.CLIENT),
-    USE_WORKSHOP("UseWorkshop", Parameter.ParameterType.CLIENT),
-    ARMA_PATH("armaPath", Parameter.ParameterType.CLIENT),
-    MOD_PATH("modPath", Parameter.ParameterType.CLIENT),
+    LANGUAGE("language", Parameter.ParameterType.CLIENT, String.class, "", new String[]{"system", "en_US", "de_DE"}),
+    BEHAVIOUR_AFTER_START("behaviourAfterStart", Parameter.ParameterType.CLIENT, String.class, "", new String[]{"nothing", "minimize", "exit"}),
+    SHOW_START_PARAMETER("ShowStartParameter", Parameter.ParameterType.CLIENT, Boolean.class),
+    CHECK_MODSET("CheckModset", Parameter.ParameterType.CLIENT, Boolean.class),
+    USE_WORKSHOP("UseWorkshop", Parameter.ParameterType.CLIENT, Boolean.class),
+    ARMA_PATH("armaPath", Parameter.ParameterType.CLIENT, String.class),
+    MOD_PATH("modPath", Parameter.ParameterType.CLIENT, String.class),
 
-    PROFILE("Profile", Parameter.ParameterType.ARMA, "name"),
-    USE_64_BIT_CLIENT("Use64BitClient", Parameter.ParameterType.ARMA, "Use64BitClient"),
-    NO_SPLASH("NoSplash", Parameter.ParameterType.ARMA, "noSplash"),
-    SKIP_INTRO("SkipIntro", Parameter.ParameterType.ARMA, "skipIntro"),
-    WORLD("World", Parameter.ParameterType.ARMA, "world"),
-    MAX_MEM("MaxMem", Parameter.ParameterType.ARMA, "maxMem"),
-    MAX_VRAM("MaxVRAM", Parameter.ParameterType.ARMA, "maxVRAM"),
-    NO_CB("NoCB", Parameter.ParameterType.ARMA, "noCB"),
-    CPU_COUNT("CpuCount", Parameter.ParameterType.ARMA, "cpuCount"),
-    EXTRA_THREADS("ExThreads", Parameter.ParameterType.ARMA, "exThreads", new String[]{"", "3", "7"}),
-    MALLOC("Malloc", Parameter.ParameterType.ARMA, "malloc", new String[]{"", "tbb4malloc_bi", "jemalloc_bi", "system"}),
-    NO_LOGS("NoLogs", Parameter.ParameterType.ARMA, "noLogs"),
-    ENABLE_HT("EnableHT", Parameter.ParameterType.ARMA, "enableHT"),
-    HUGEPAGES("Hugepages", Parameter.ParameterType.ARMA, "hugepages"),
-    NO_PAUSE("NoPause", Parameter.ParameterType.ARMA, "noPause"),
-    SHOW_SCRIPT_ERRORS("ShowScriptErrors", Parameter.ParameterType.ARMA, "showScriptErrors"),
-    FILE_PATCHING("FilePatching", Parameter.ParameterType.ARMA, "filePatching"),
-    INIT("Init", Parameter.ParameterType.ARMA, "init"),
-    BETA("Beta", Parameter.ParameterType.ARMA, "beta"),
-    CRASH_DIAG("CrashDiag", Parameter.ParameterType.ARMA, "crashDiag"),
-    WINDOW("Window", Parameter.ParameterType.ARMA, "window"),
-    POS_X("PosX", Parameter.ParameterType.ARMA, "posX"),
-    POS_Y("PosY", Parameter.ParameterType.ARMA, "posY");
+    PROFILE("Profile", Parameter.ParameterType.ARMA, String.class, "name"),
+    USE_64_BIT_CLIENT("Use64BitClient", Parameter.ParameterType.ARMA, Boolean.class),
+    NO_SPLASH("NoSplash", Parameter.ParameterType.ARMA, Boolean.class, "noSplash"),
+    SKIP_INTRO("SkipIntro", Parameter.ParameterType.ARMA, Boolean.class, "skipIntro"),
+    WORLD("World", Parameter.ParameterType.ARMA, String.class, "world"),
+    MAX_MEM("MaxMem", Parameter.ParameterType.ARMA, String.class, "maxMem"),
+    MAX_VRAM("MaxVRAM", Parameter.ParameterType.ARMA, String.class, "maxVRAM"),
+    NO_CB("NoCB", Parameter.ParameterType.ARMA, Boolean.class, "noCB"),
+    CPU_COUNT("CpuCount", Parameter.ParameterType.ARMA, String.class, "cpuCount"),
+    EXTRA_THREADS("ExThreads", Parameter.ParameterType.ARMA, String.class, "exThreads", new String[]{"", "3", "7"}),
+    MALLOC("Malloc", Parameter.ParameterType.ARMA, String.class, "malloc", new String[]{"", "tbb4malloc_bi", "tbb4malloc_bi_x64", "jemalloc_bi", "jemalloc_bi_x64", "system"}),
+    NO_LOGS("NoLogs", Parameter.ParameterType.ARMA, Boolean.class, "noLogs"),
+    ENABLE_HT("EnableHT", Parameter.ParameterType.ARMA, Boolean.class, "enableHT"),
+    HUGEPAGES("Hugepages", Parameter.ParameterType.ARMA, Boolean.class, "hugepages"),
+    NO_PAUSE("NoPause", Parameter.ParameterType.ARMA, Boolean.class, "noPause"),
+    SHOW_SCRIPT_ERRORS("ShowScriptErrors", Parameter.ParameterType.ARMA, Boolean.class, "showScriptErrors"),
+    FILE_PATCHING("FilePatching", Parameter.ParameterType.ARMA, Boolean.class, "filePatching"),
+    INIT("Init", Parameter.ParameterType.ARMA, String.class, "init"),
+    BETA("Beta", Parameter.ParameterType.ARMA, String.class, "beta"),
+    CRASH_DIAG("CrashDiag", Parameter.ParameterType.ARMA, Boolean.class, "crashDiag"),
+    WINDOW("Window", Parameter.ParameterType.ARMA, Boolean.class, "window"),
+    POS_X("PosX", Parameter.ParameterType.ARMA, String.class, "posX"),
+    POS_Y("PosY", Parameter.ParameterType.ARMA, String.class, "posY");
 
     private String name;
     private Parameter.ParameterType type;
     private String[] values;
     private String startParameter;
+    private Class<?> clazz;
 
-    Parameters(String name, Parameter.ParameterType type) {
-        this(name, type, "");
+    Parameters(String name, Parameter.ParameterType type, Class<?> clazz) {
+        this(name, type, clazz, "");
     }
 
-    Parameters(String name, Parameter.ParameterType type, String startParameter) {
-        this(name, type, startParameter, null);
+    Parameters(String name, Parameter.ParameterType type, Class<?> clazz, String startParameter) {
+        this(name, type, clazz, startParameter, null);
     }
 
-    Parameters(String name, Parameter.ParameterType type, String startParameter, String[] values) {
+    Parameters(String name, Parameter.ParameterType type, Class<?> clazz, String startParameter, String[] values) {
         this.name = name;
         this.type = type;
         this.startParameter = startParameter;
-        this. values = values;
+        this.values = values;
+        this.clazz = clazz;
     }
 
-    public Parameter<String> toStringParameter() {
-        return new Parameter<String>(name, type, String.class, values, startParameter);
+    public Parameter toParameter() {
+        return new Parameter(name, type, clazz, values, startParameter);
     }
 
-    public Parameter<String> toStringParameter(String... values) {
-        return new Parameter<String>(name, type, String.class, values, startParameter);
+    public Parameter toParameter(String... values) {
+        return new Parameter(name, type, clazz, values, startParameter);
     }
 
-    public Parameter<Boolean> toBooolParameter() {
-        return new Parameter<>(name, type, Boolean.class);
+    public Class<?> getClazz() {
+        return clazz;
     }
 
     public String getName() {
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/SettingsHandler.java b/gui/src/main/java/de/mc8051/arma3launcher/SettingsHandler.java
index a6201b5..2cb74b4 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/SettingsHandler.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/SettingsHandler.java
@@ -18,9 +18,9 @@ import java.io.File;
 public class SettingsHandler {
 
     public static class CheckBoxListener implements ItemListener {
-        private Parameter<Boolean> parameter;
+        private Parameter parameter;
 
-        public CheckBoxListener(Parameter<Boolean> parameter) {
+        public CheckBoxListener(Parameter parameter) {
             this.parameter = parameter;
         }
 
@@ -32,9 +32,9 @@ public class SettingsHandler {
 
     public static class ComboBoxListener implements ItemListener {
 
-        private Parameter<String> parameter;
+        private Parameter parameter;
 
-        public ComboBoxListener(Parameter<String> parameter) {
+        public ComboBoxListener(Parameter parameter) {
             this.parameter = parameter;
         }
 
@@ -50,10 +50,10 @@ public class SettingsHandler {
     public static class Fileistener implements ActionListener {
 
         private JPanel parent;
-        private Parameter<String> parameter;
+        private Parameter parameter;
         private Callback.JFileSelectCallback check;
 
-        public Fileistener(JPanel parent, Parameter<String> parameter, Callback.JFileSelectCallback check) {
+        public Fileistener(JPanel parent, Parameter parameter, Callback.JFileSelectCallback check) {
             this.parent = parent;
             this.parameter = parameter;
             this.check = check;
@@ -82,9 +82,9 @@ public class SettingsHandler {
     public static class SpinnerListener implements ChangeListener {
 
         private static long lastChange = -1;
-        private Parameter<String> parameter;
+        private Parameter parameter;
 
-        public SpinnerListener(Parameter<String> parameter) {
+        public SpinnerListener(Parameter parameter) {
             this.parameter = parameter;
         }
 
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/model/PresetTableModel.java b/gui/src/main/java/de/mc8051/arma3launcher/model/PresetTableModel.java
index 7732fb9..d8faaf1 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/model/PresetTableModel.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/model/PresetTableModel.java
@@ -29,6 +29,7 @@ public class PresetTableModel extends AbstractListModel  {
 
     @Override
     public Object getElementAt(int index) {
+        if(index == -1) return null;
         return data.get(index);
     }
 }
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/model/ServerTableModel.java b/gui/src/main/java/de/mc8051/arma3launcher/model/ServerTableModel.java
index 6f1dbb9..54d4878 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/model/ServerTableModel.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/model/ServerTableModel.java
@@ -39,6 +39,10 @@ public class ServerTableModel extends AbstractTableModel {
         return columnNames.length;
     }
 
+    public Server getServer(int row) {
+        return data.get(row);
+    }
+
     @Override
     public Object getValueAt(int rowIndex, int columnIndex) {
         if (columnIndex == 0) return data.get(rowIndex).getName();
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/objects/Modset.java b/gui/src/main/java/de/mc8051/arma3launcher/objects/Modset.java
index b1b28de..a74b771 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/objects/Modset.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/objects/Modset.java
@@ -1,12 +1,16 @@
 package de.mc8051.arma3launcher.objects;
 
 import de.mc8051.arma3launcher.ArmA3Launcher;
+import de.mc8051.arma3launcher.Parameter;
+import de.mc8051.arma3launcher.Parameters;
 import org.ini4j.Ini;
 import org.json.JSONArray;
 import org.json.JSONObject;
 
+import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.logging.Level;
@@ -108,8 +112,10 @@ public class Modset implements Comparable {
         return type;
     }
 
-    public void play() {
-        // TODO: Implement play with this Modset
+    public List<String> getStartParamter() {
+        return mods.stream()
+                .map(m -> new File((String) Parameters.MOD_PATH.toParameter().getValue(), m.getName()).getAbsolutePath())
+                .collect(Collectors.toList());
     }
 
     public Modset clone(String newName, Type newType) {
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/objects/Server.java b/gui/src/main/java/de/mc8051/arma3launcher/objects/Server.java
index 6c6f9a7..580b313 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/objects/Server.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/objects/Server.java
@@ -2,7 +2,9 @@ package de.mc8051.arma3launcher.objects;
 
 import org.json.JSONObject;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 
 /**
  * Created by gurkengewuerz.de on 25.03.2020.
@@ -28,13 +30,13 @@ public class Server {
     }
 
     public Server(JSONObject o) {
-        if(!o.has("name") || !o.has("password") || !o.has("ipaddress") || !o.has("port") || !o.has("preset")) return;
+        if (!o.has("name") || !o.has("password") || !o.has("ipaddress") || !o.has("port") || !o.has("preset")) return;
         name = o.getString("name");
         password = o.getString("password");
         ip = o.getString("ipaddress");
         port = o.getInt("port");
 
-        if(!Modset.MODSET_LIST.containsKey(o.getString("preset"))) return;
+        if (!Modset.MODSET_LIST.containsKey(o.getString("preset"))) return;
         preset = Modset.MODSET_LIST.get(o.getString("preset"));
 
         SERVER_LIST.put(name, this);
@@ -59,4 +61,13 @@ public class Server {
     public Modset getPreset() {
         return preset;
     }
+
+    public ArrayList<String> getStartparameter() {
+        ArrayList<String> list = new ArrayList<>();
+        list.add("-connect=" + ip);
+        list.add("-port=" + port);
+        if (password.isEmpty())
+            list.add("-password=" + ip);
+        return list;
+    }
 }
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/Syncer.java b/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/Syncer.java
index 6bbc0e6..bf0bf1d 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/Syncer.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/Syncer.java
@@ -98,8 +98,8 @@ public class Syncer implements Observable, SyncListener {
             TaskBarUtils.getInstance().normal();
         });
 
-        final Parameter<Boolean> workshopParameter = Parameters.USE_WORKSHOP.toBooolParameter();
-        if(workshopParameter.getValue() != null && workshopParameter.getValue()) workshopFiles = WorkshopUtil.workshopFiles();
+        final Parameter workshopParameter = Parameters.USE_WORKSHOP.toParameter();
+        if(workshopParameter.getValue() != null && (Boolean) workshopParameter.getValue()) workshopFiles = WorkshopUtil.workshopFiles();
 
         boolean lastPause = false;
         while (running) {
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/WorkshopUtil.java b/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/WorkshopUtil.java
index c4a6a56..4aa5f6e 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/WorkshopUtil.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/repo/sync/WorkshopUtil.java
@@ -18,7 +18,7 @@ public class WorkshopUtil {
     public static Map<Path, Long> workshopFiles() {
         Map<Path, Long> fileMap = new HashMap<>();
 
-        final String armaPath = Parameters.ARMA_PATH.toStringParameter().getValue();
+        final String armaPath = (String) Parameters.ARMA_PATH.toParameter().getValue();
         if(armaPath == null) return fileMap;
 
         final Path workshopPath = Paths.get(armaPath, "!Workshop");
diff --git a/gui/src/main/java/de/mc8051/arma3launcher/utils/ArmaUtils.java b/gui/src/main/java/de/mc8051/arma3launcher/utils/ArmaUtils.java
index 195502e..8ae53cf 100644
--- a/gui/src/main/java/de/mc8051/arma3launcher/utils/ArmaUtils.java
+++ b/gui/src/main/java/de/mc8051/arma3launcher/utils/ArmaUtils.java
@@ -1,5 +1,8 @@
 package de.mc8051.arma3launcher.utils;
 
+import de.mc8051.arma3launcher.Parameter;
+import de.mc8051.arma3launcher.Parameters;
+import de.mc8051.arma3launcher.objects.Modset;
 import de.ralleytn.simple.registry.Key;
 import de.ralleytn.simple.registry.Registry;
 
@@ -9,8 +12,10 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import java.util.stream.Collectors;
 
 /**
  * Created by gurkengewuerz.de on 30.03.2020.
@@ -31,7 +36,7 @@ public class ArmaUtils {
 
         if (regKey == null) return null;
         final Path main = Paths.get(regKey.getValueByName("main").getRawValue());
-        if(!checkArmaPath(main)) return null;
+        if (!checkArmaPath(main)) return null;
         return main;
     }
 
@@ -54,4 +59,56 @@ public class ArmaUtils {
         }
         return false;
     }
+
+    public static String getGameParameter(Modset modset) {
+        StringBuilder sb = new StringBuilder();
+
+        List<String> parameters = Arrays.stream(Parameters.values())
+                .filter(p -> p.getType() == Parameter.ParameterType.ARMA)
+                .filter(p -> !p.getStartParameter().isEmpty())
+                .filter(p -> {
+                    if (p.getClazz() == Boolean.class) {
+                        boolean b = (boolean) p.toParameter().getValue();
+                        return b;
+                    }
+                    String paraVal = (String) p.toParameter().getValue();
+                    return !(paraVal == null || paraVal.isEmpty() || paraVal.equals("-1") || paraVal.equals("0"));
+                })
+                .map(parameter -> {
+                    final Class<?> clazz = parameter.getClazz();
+                    if (clazz == Boolean.class) {
+                        return "-" + parameter.getStartParameter();
+                    }
+                    return "\"-" + parameter.getStartParameter() + "=" + parameter.toParameter().getValue() + "\"";
+                })
+                .collect(Collectors.toList());
+        sb.append(String.join(" ", parameters)).append(" ");
+
+        final List<String> modParameter = modset.getStartParamter();
+        if (!modParameter.isEmpty())
+            sb.append("\"-mod=").append(String.join(";", modParameter)).append("\"");
+
+        return sb.toString();
+    }
+
+    public static void start(Modset modset) {
+        start(modset, new String[]{});
+    }
+
+    public static void start(Modset modset, String... additionalParams) {
+        final Parameter armaPathParameter = Parameters.ARMA_PATH.toParameter();
+        File arma3battleye = new File((String) armaPathParameter.getValue(), "arma3battleye.exe");
+        final Parameter use64Bit = Parameters.USE_64_BIT_CLIENT.toParameter();
+
+        String gameParameters = getGameParameter(modset);
+        String additionalParameters = String.join(" ", additionalParams);
+        String battleEye = "\"" + arma3battleye.getAbsolutePath() + "\" 2 1 1 -exe " + ((Boolean) use64Bit.getValue() ? "arma3_x64.exe" : "arma3.exe");
+        String command = battleEye + " " + gameParameters + " " + additionalParameters;
+        Logger.getLogger(ArmaUtils.class.getName()).log(Level.INFO, command);
+        try {
+            Runtime.getRuntime().exec(command);
+        } catch (IOException e) {
+            Logger.getLogger(ArmaUtils.class.getName()).log(Level.INFO, "Starting failed!", e);
+        }
+    }
 }