All you have to do is scan a QR code for the service you want to turn 2FA on for, and the app will generate a new log-in code around every 30 seconds.

Google Authenticator now syncs one-time codes with your account, so you're not stuck if you lose your device.

How to set up two-factor authentication on your online services Using 2FA to protect your accounts is a lot safer than using just passwords, especially if you use a separate authenticator app.

On your new phone's Authenticator app, tap Scan QR code. After you scan your QR codes, you get a confirmation that your Google Authenticator accounts were transferred. You can remove your exported ...