diff --git a/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/Availability.cs b/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/Availability.cs
index 4ee1cbaa..afdb4d1b 100644
--- a/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/Availability.cs
+++ b/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/Availability.cs
@@ -197,6 +197,7 @@ public static bool IsMethodAvailable(Type declaringType, string methodName, Type
         public static bool IsPropertyAvailable(Type declaringType, string propertyName, RuntimeEnvironment env = default) => IsMemberAvailable(declaringType.GetProperty(propertyName), env);
         public static bool IsPropertyAvailable<DeclaringType>(string propertyName, RuntimeEnvironment env = default) => IsPropertyAvailable(typeof(DeclaringType), propertyName, env);
 
+#if !UNITY_EDITOR_WIN
         #region Init & Shutdown
         [RuntimeInitializeOnLoadMethod]
         private static void OnApplicationStart()
@@ -208,5 +209,6 @@ private static void OnApplicationStart()
             Debug.Log($"[Apple.Core Plug-In Runtime] Availability Runtime Environment: {env.RuntimeOperatingSystem.ToString()} {env.VersionNumber.Major}.{env.VersionNumber.Minor}");
         }
         #endregion
+#endif
     }
 }
diff --git a/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Demos/Apple.GameKit.Sample/Scripts/ActivityPanel.cs b/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Demos/Apple.GameKit.Sample/Scripts/ActivityPanel.cs
index 498ed8ee..dab78f86 100644
--- a/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Demos/Apple.GameKit.Sample/Scripts/ActivityPanel.cs
+++ b/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Demos/Apple.GameKit.Sample/Scripts/ActivityPanel.cs
@@ -65,7 +65,6 @@ void Start()
                     await GKAccessPoint.Shared.TriggerWithGameActivityDefinitionID(Activity.ActivityDefinition.Identifier);
                 }
             };
-            #endif
 
             _activityButton.ButtonClick += async (sender, args) =>
             {
@@ -74,6 +73,7 @@ void Start()
                     await GKAccessPoint.Shared.TriggerWithGameActivity(Activity);
                 }
             };
+            #endif
 
             _startButton.onClick.AddListener(StartButtonAction);
             _pauseButton.onClick.AddListener(PauseButtonAction);
diff --git a/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/DefaultHandlers.cs b/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/DefaultHandlers.cs
index ae5525c5..f3acdf6a 100644
--- a/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/DefaultHandlers.cs
+++ b/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/DefaultHandlers.cs
@@ -11,7 +11,9 @@ public static class DefaultNSExceptionHandler
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
         public static void Init()
         {
+#if UNITY_IOS
             Interop.DefaultNSExceptionHandler_Set(ThrowNSException);
+#endif
         }
 
         [MonoPInvokeCallback(typeof(NSExceptionCallback))]
@@ -32,7 +34,9 @@ public static class DefaultNSErrorHandler
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
         public static void Init()
         {
+#if UNITY_IOS
             Interop.DefaultNSErrorHandler_Set(ThrowNSError);
+#endif
         }
 
         [MonoPInvokeCallback(typeof(NSErrorCallback))]
diff --git a/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/GKGameActivity.cs b/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/GKGameActivity.cs
index 46e56e83..5949ba5e 100644
--- a/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/GKGameActivity.cs
+++ b/plug-ins/Apple.GameKit/Apple.GameKit_Unity/Assets/Apple.GameKit/Source/GKGameActivity.cs
@@ -30,6 +30,7 @@ public class GKGameActivity : NSObject
         /// </remarks>
         public static event WantsToPlayHandler WantsToPlay;
 
+#if !UNITY_EDITOR_WIN
         static GKGameActivity()
         {
             if (Availability.IsTypeAvailable<GKGameActivity>())
@@ -37,6 +38,7 @@ static GKGameActivity()
                 Interop.GKGameActivity_SetWantsToPlayCallback(OnWantsToPlay);
             }
         }
+#endif
 
 #if IOS_19_BETA_1_WANTSTOPLAY_MAIN_THREAD_WORKAROUND
         // In iOS 19 beta 1, the wantsToPlay callback isn't dispatched on the main thread.