diff --git a/src-tauri/src/commands.rs b/src-tauri/src/commands.rs
index 82433b3..92c87d9 100644
--- a/src-tauri/src/commands.rs
+++ b/src-tauri/src/commands.rs
@@ -634,3 +634,8 @@ pub fn open_url_in_browser(url: String) -> Result<(), String> {
 pub fn exit(app: AppHandle) {
     app.exit(0x0100);
 }
+
+#[tauri::command]
+pub fn get_platform() -> String {
+    std::env::consts::OS.to_string()
+}
\ No newline at end of file
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 6e13043..d94b280 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -8,7 +8,7 @@ use crate::commands::{
     get_ezpp_launcher_update_files, get_hwid, get_launcher_version, get_osu_release_stream,
     get_osu_skin, get_osu_version, get_skins_count, is_osu_running, open_url_in_browser,
     replace_ui_files, run_osu, run_osu_updater, set_osu_config_values, set_osu_user_config_values,
-    valid_osu_folder,
+    valid_osu_folder, get_platform
 };
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
@@ -45,7 +45,8 @@ pub fn run() {
             is_osu_running,
             open_url_in_browser,
             get_launcher_version,
-            exit
+            exit,
+            get_platform
         ])
         .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_dialog::init())
diff --git a/src/lib/osuUtil.ts b/src/lib/osuUtil.ts
index 620e420..ddc1afd 100644
--- a/src/lib/osuUtil.ts
+++ b/src/lib/osuUtil.ts
@@ -113,3 +113,4 @@ export const isOsuRunning = async () => {
 
 export const getLauncherVersion = async () => await invoke<string>('get_launcher_version');
 export const exit = async () => await invoke('exit');
+export const getPlatform = async () => await invoke<string>('get_platform');
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index e30947f..c9d60db 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -1,7 +1,9 @@
 <script lang="ts">
+  import Logo from '$assets/logo.png';
   import '../app.css';
 
   import Titlebar from '@/components/ui/titlebar/titlebar.svelte';
+  import * as AlertDialog from '@/components/ui/alert-dialog';
   import { currentLoadingInfo, firstStartup, launcherVersion, setupValues } from '@/global';
   import { onMount } from 'svelte';
   import OsuCursor from '@/components/ui/osu-cursor/OsuCursor.svelte';
@@ -16,13 +18,16 @@
   import { Buffer } from 'buffer';
   import { Toaster } from '@/components/ui/sonner';
   import { userAuth } from '@/userAuthentication';
-  import { getLauncherVersion } from '@/osuUtil';
+  import { exit, getLauncherVersion, getPlatform } from '@/osuUtil';
 
   import '@fontsource/sora';
   import '@fontsource/space-mono';
+  import Button from '@/components/ui/button/button.svelte';
 
   let { children } = $props();
 
+  let unsupported_platform = $state<boolean>(false);
+
   function disableReload() {
     if (window.location.hostname !== 'tauri.localhost') {
       return;
@@ -77,6 +82,7 @@
     disableReload();
     setupValues();
     launcherVersion.set(await getLauncherVersion());
+    if ((await getPlatform()) !== 'windows') unsupported_platform = true;
     const isFirstStartup = await $userSettings.init();
     $userAuth.init();
 
@@ -110,6 +116,29 @@
 
 <Titlebar />
 
+<AlertDialog.Root open={unsupported_platform}>
+  <AlertDialog.Content class="bg-theme-950 border-theme-800 p-0">
+    <div
+      class="flex flex-col items-center justify-center border-b border-theme-800 bg-black/40 rounded-t-lg p-3"
+    >
+      <img class="h-20 w-20" src={Logo} alt="logo" />
+      <span class="font-semibold text-xl">Unsupported Platform!</span>
+    </div>
+    <div
+      class="flex flex-col items-center text-sm text-center bg-theme-900 border border-theme-800 rounded-lg mx-3 p-3"
+    >
+      This Platform is not supported by EZPPLauncher.
+    </div>
+    <div class="flex items-center justify-center mb-3">
+      <Button
+        onclick={async () => {
+          await exit();
+        }}>Close</Button
+      >
+    </div>
+  </AlertDialog.Content>
+</AlertDialog.Root>
+
 <main>
   {@render children()}
 </main>