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

When you see a QR code on the laptop screen, open the Google Authenticator app on your phone. Tap the plus sign in the bottom-right corner of the app and then Scan a QR code.

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.

Microsoft Authenticator – Sets up two-factor authentication by scanning QR codes presented by websites or services. Snapchat – Snapchat lets users scan Snapcodes, a type of QR code unique to ...

QR codes are easy to use, if you know how to access the information they contain and have an internet connection.

QR codes are links that can be scanned using various smartphone apps. You'll find our favorite apps for scanning QR codes for both Android and iPhone.

Just hit the overflow menu and tap on Dark mode to make the switch. In-app scanner Users have complained for years that Google apps should use a built-in scanner to read QR codes.

On your old iPhone's Authenticator app, tap More (the three vertical dots) > Export accounts > Continue. Select the accounts you want to transfer to your new phone, then tap Export. If you transfer ...

Transfer Confirmation: Once all QR codes have been scanned, the Google Authenticator app on your new phone will display a confirmation message, indicating the successful transfer of your accounts.

Here's how to scan a QR code on your iPhone or Android phone. Many phones have QR code scanners, but if yours doesn't, we also recommend some apps to help.