diff --git a/src/updateNotifier/index.js b/src/updateNotifier/index.js
new file mode 100644
index 0000000..b4c0bb0
--- /dev/null
+++ b/src/updateNotifier/index.js
@@ -0,0 +1,25 @@
+export default class UpdateNotifier {
+  getCommunityConsoleTabs() {
+    return new Promise(res => {
+      chrome.tabs.query(
+          {url: 'https://support.google.com/s/community*'}, tabs => res(tabs));
+    });
+  }
+
+  notify(reason) {
+    this.getCommunityConsoleTabs().then(tabs => {
+      for (const tab of tabs) {
+        const script = reason === 'install' ? 'handleInstall.bundle.js' :
+                                              'handleUpdate.bundle.js';
+        // #!if browser_target == 'chromium_mv3'
+        chrome.scripting.executeScript({
+          target: {tabId: tab.id},
+          files: [script],
+        });
+        // #!else
+        chrome.tabs.executeScript(tab.id, {file: script});
+        // #!endif
+      }
+    });
+  }
+}