diff --git a/Knossos.NET/Classes/Knossos.cs b/Knossos.NET/Classes/Knossos.cs
index 9ec507c3..b827c0e5 100644
--- a/Knossos.NET/Classes/Knossos.cs
+++ b/Knossos.NET/Classes/Knossos.cs
@@ -1162,6 +1162,40 @@ public static async void PlayMod(Mod mod, FsoExecType fsoExecType, bool standalo
 
             Log.Add(Log.LogSeverity.Information, "Knossos.PlayMod()", "Used cmdLine : " + cmdline);
 
+            if (MainWindow.instance != null && globalSettings.warnNewSettingsSystem)
+            {
+                try
+                {
+                    var fsoVersion = new SemanticVersion(fsoBuild.version);
+                    var newSettingsVersion = new SemanticVersion("24.2.0-RC");
+                    if(fsoVersion >= newSettingsVersion)
+                    {
+                        await Dispatcher.UIThread.InvokeAsync(async () => {
+                            try
+                            {
+                                var res = await MessageBox.Show(MainWindow.instance, "Starting from FSO version 24.2.0 a new in-game settings system was implemented.\n" +
+                                    "Launcher settings, such as video, audio or input, and Command Line arguments of those categories no longer have an effect by default.\n" +
+                                    "Settings for most mods using FSO version 24.2.0 or higher must be now changed in-game by going to the 'Options' menu, where you will see additional methods for accessing and setting these new in-game options.", "New FSO settings system", MessageBox.MessageBoxButtons.DontWarnAgainOK);
+
+                                if (res == MessageBox.MessageBoxResult.DontWarnAgain)
+                                {
+                                    globalSettings.warnNewSettingsSystem = false;
+                                    globalSettings.Save();
+                                }
+                            }
+                            catch
+                            {
+                                //fail silently, this is not important
+                            }
+                        });
+                    }
+                }
+                catch 
+                {
+                    //fail silently, this is not important
+                }
+            }
+
             //Launch FSO!!!
             var fsoResult = await fsoBuild.RunFSO(fsoExecType, cmdline, rootPath, false);
 
diff --git a/Knossos.NET/Models/GlobalSettings.cs b/Knossos.NET/Models/GlobalSettings.cs
index 50f57084..0ba510d3 100644
--- a/Knossos.NET/Models/GlobalSettings.cs
+++ b/Knossos.NET/Models/GlobalSettings.cs
@@ -118,6 +118,8 @@ public AutoUpdateFsoBuilds(bool stable = false, bool rc = false, bool nightly =
         public int devModSort { get; set; } = 0;
         [JsonPropertyName("auto_update_fso_builds")]
         public AutoUpdateFsoBuilds autoUpdateBuilds { get; set; } = new AutoUpdateFsoBuilds();
+        [JsonPropertyName("warn_new_settings_system")]
+        public bool warnNewSettingsSystem { get; set; } = true;
 
         /* FSO Settings that use the fs2_open.ini are json ignored */
 
@@ -608,6 +610,7 @@ public void Load()
                         prefixCMD = tempSettings.prefixCMD;
                         envVars = tempSettings.envVars;
                         showDevOptions = tempSettings.showDevOptions;
+                        warnNewSettingsSystem = tempSettings.warnNewSettingsSystem;
 
                         if (MainWindowViewModel.Instance != null)
                             MainWindowViewModel.Instance.sharedSortType = tempSettings.sortType;
diff --git a/Knossos.NET/Views/GlobalSettingsView.axaml b/Knossos.NET/Views/GlobalSettingsView.axaml
index a4b7c320..d1201081 100644
--- a/Knossos.NET/Views/GlobalSettingsView.axaml
+++ b/Knossos.NET/Views/GlobalSettingsView.axaml
@@ -143,6 +143,7 @@
 				</Border>
 				<!--VIDEO SETTINGS-->
 				<Label Margin="5,15,0,0" FontWeight="Bold" FontSize="18" ToolTip.Tip="Video settings the FSO engine will use in-game.">Video</Label>
+				<TextBox BorderBrush="Transparent" IsReadOnly="True" TextWrapping="Wrap" Margin="5,0,5,0" Foreground="Yellow">Note, video settings for most mods using FSO version 24.2.0 or higher will need to be changed in-game by default. You can change in-game settings by going to "Options" menu of the mod you are playing.</TextBox>
 				<Border Margin="0,5,0,0" BorderBrush="Black" BorderThickness="5" CornerRadius="2">
 					<StackPanel Margin="5">
 						<!-- Resolution -->
@@ -243,6 +244,7 @@
 
 				<!--Audio SETTINGS-->
 				<Label Margin="5,15,0,0" FontWeight="Bold" FontSize="18" ToolTip.Tip="Audio settings the FSO engine will use in-game.">Audio</Label>
+				<TextBox BorderBrush="Transparent" IsReadOnly="True" TextWrapping="Wrap" Margin="5,0,5,0" Foreground="Yellow">Note, audio settings for most mods using FSO version 24.2.0 or higher will need to be changed in-game by default. You can change in-game settings by going to "Options" menu of the mod you are playing..</TextBox>
 				<Border Margin="0,5,0,0" BorderBrush="Black" BorderThickness="5" CornerRadius="2">
 					<StackPanel Margin="5">
 						<!-- Playback -->
@@ -314,6 +316,7 @@
 
 				<!--INPUT SETTINGS-->
 				<Label Margin="5,15,0,0" FontWeight="Bold" FontSize="18" ToolTip.Tip="Input settings where you can specify which of your plugged-in devices FSO can use in-game.">Input</Label>
+				<TextBox BorderBrush="Transparent" IsReadOnly="True" TextWrapping="Wrap" Margin="5,0,5,0" Foreground="Yellow">Note, input settings for most mods using FSO version 24.2.0 or higher will need to be changed in-game by default. You can change in-game settings by going to "Options" menu of the mod you are playing.</TextBox>
 				<Border Margin="0,5,0,0" BorderBrush="Black" BorderThickness="5" CornerRadius="2">
 					<StackPanel Margin="5">
             <?ignore
diff --git a/Knossos.NET/Views/Windows/MessageBox.axaml.cs b/Knossos.NET/Views/Windows/MessageBox.axaml.cs
index b0321a2f..ffd488bc 100644
--- a/Knossos.NET/Views/Windows/MessageBox.axaml.cs
+++ b/Knossos.NET/Views/Windows/MessageBox.axaml.cs
@@ -17,7 +17,8 @@ public enum MessageBoxButtons
             ContinueCancel,
             Details,
             DetailsOKCancel,
-            DetailsContinueCancel
+            DetailsContinueCancel,
+            DontWarnAgainOK
         }
 
         public enum MessageBoxResult
@@ -27,7 +28,8 @@ public enum MessageBoxResult
             Yes,
             No,
             Continue,
-            Details
+            Details,
+            DontWarnAgain
         }
 
         public MessageBox()
@@ -49,7 +51,7 @@ public static Task<MessageBoxResult> Show(Window? parent, string text, string ti
 
             var result = MessageBoxResult.OK;
 
-            void AddButton(string caption, MessageBoxResult r, bool def = false, string classes = "")
+            void AddButton(string caption, MessageBoxResult r, bool def = false, string classes = "", int buttonWidth = -1)
             {                
                 var button = new Button { Content = caption, Width = 100};
                 button.Click += (_, __) => {
@@ -60,6 +62,10 @@ void AddButton(string caption, MessageBoxResult r, bool def = false, string clas
                 {
                     button.Classes.Add(classes);
                 }
+                if (buttonWidth != -1)
+                {
+                    button.Width = buttonWidth;
+                }
                 buttonPanel.Children.Add(button);
                 if (def)
                 {
@@ -93,6 +99,12 @@ void AddButton(string caption, MessageBoxResult r, bool def = false, string clas
                 AddButton("Details", MessageBoxResult.Details, false, "Option");
             }
 
+            if (buttons == MessageBoxButtons.DontWarnAgainOK)
+            {
+                AddButton("OK", MessageBoxResult.OK, true, "Accept");
+                AddButton("Don't warn again", MessageBoxResult.DontWarnAgain, false, "Option", 150);
+            }
+
             var tcs = new TaskCompletionSource<MessageBoxResult>();
             msgbox.Closed += delegate { tcs.TrySetResult(result); };