diff --git a/install.webm b/install.webm
deleted file mode 100644
index 5919142..0000000
Binary files a/install.webm and /dev/null differ
diff --git a/sw.js b/sw.js
index 1894630..ca93ebb 100644
--- a/sw.js
+++ b/sw.js
@@ -12,11 +12,10 @@ const { RangeRequestsPlugin } = workbox.rangeRequests;
 const coreAppFiles = [
     '/', '/index.html', '/cancel_off.webp', '/cancel_on.webp', '/cdspin.gif',
     '/configure_off.webp', '/configure_on.webp', '/favicon.png', '/favicon.svg',
-    '/free_stuff_off.webp', '/free_stuff_on.webp', '/install.mp4', '/install_off.webp',
-    '/install_on.webp', '/install.webm', '/island.webp', '/isle.js', '/isle.wasm',
-    '/poster.pdf', '/read_me_off.webp', '/read_me_on.webp', '/run_game_off.webp',
-    '/run_game_on.webp', '/shark.webp', '/uninstall_off.webp', '/uninstall_on.webp',
-    'app.js', 'style.css', 'manifest.json'
+    '/free_stuff_off.webp', '/free_stuff_on.webp', '/install_off.webp', '/install_on.webp',
+    '/island.webp', '/isle.js', '/isle.wasm', '/poster.pdf', '/read_me_off.webp', 
+    '/read_me_on.webp', '/run_game_off.webp', '/run_game_on.webp', '/shark.webp',
+    '/uninstall_off.webp', '/uninstall_on.webp', 'app.js', 'style.css', 'manifest.json'
 ];
 
 const gameFiles = [
@@ -36,10 +35,16 @@ const STATIC_CACHE_NAME = 'static-assets-v1';
 self.addEventListener('install', (event) => {
     event.waitUntil(
         caches.open(STATIC_CACHE_NAME).then((cache) => {
-            return cache.addAll(coreAppFiles);
+            return cache.addAll(coreAppFiles).then(() => {
+                return fetch('/install.mp4', { cache: 'reload' }).then((response) => {
+                    if (!response.ok) {
+                        throw new Error('Video fetch failed!');
+                    }
+                    return cache.put('/install.mp4', response);
+                });
+            });
         })
     );
-    self.skipWaiting();
 });
 
 registerRoute(