First, turn on two-factor authentication for the account. You'll get a QR code or setup key. Next, open the Google Authenticator app and tap the plus sign. Record the 2FA code/key. Whenever you're ...

Google Authenticator has been around for over a decade, is free, and will work with virtually every service that supports ...

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.