You'll be prompted to complete the two-factor authentication you set up with Google Authenticator. Open the Google Authenticator app on your phone, find the correct account, and note the number ...

How to take a backup of Google Authenticator Google Authenticator keeps your account safe with a time-based one-time password (TOTP). It stores the codes in the cloud for easy access.

Proton Authenticator is a new all-in-one 2FA app that wants to take the place of Google Authenticator, Authy, and Duo on your devices.