Install Google Authenticator on your device. Android iOS Locate your account's two-factor authentication setup process. You should get a QR code or a long string of characters.

The Google Authenticator app will give you an extra layer of security for your online apps. You can sync your authenticator codes to your Google Account and across your devices.

How to Add an Account to Google Authenticator You need two things: Google's authenticator app and a code from the account you want to add to the app (Facebook, Amazon, your bank, etc.).