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.

How Google Authenticator’s account syncing works Once you update the Authenticator app on Android or iOS, you’ll find a brand-new app icon, and a green cloud image in the top-right corner.

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.

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