diff --git a/src/Background/index.ts b/src/Background/index.ts
index e7624f1..0ccd78a 100644
--- a/src/Background/index.ts
+++ b/src/Background/index.ts
@@ -1 +1,5 @@
-console.log('this is background scripts file');
+import { browser } from 'webextension-polyfill-ts';
+
+browser.runtime.onInstalled.addListener((): void => {
+    console.log('extension installed');
+});