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.).

An update to Google Authenticator this week finally enabled backups for your two-factor authentication codes. But the feature comes with a security risk.

While Google Authenticator is immensely popular, one of the biggest critiques has been the inability to back up one-time 2FA codes and the lack of multi-device support.

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.