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 ...

It is simple to use two-factor authentication on your Google Account, but the process to set it up is a tad confusing. Our Android customization walks you through the setup using Google Authenticator.

Using Setup Keys Once you've enabled 2FA on the account or service in question, you'll be asked to either enter a setup key on your device or scan a QR code using your device's camera.

Another major reason Google is considering switching to QR code authentication is that users may not have access to their registered phone numbers when they want to log in to Gmail.

HomeKit HomeKit in iOS 11: Sprinklers & faucets, QR code & NFC setup, improved latency, software authentication & more Jordan Kahn | Jun 7 2017 - 10:32 am PT 0 Comments ...

Can the QR code replace user names and passwords? Verizon Enterprise thinks so -- at least for some companies looking at two-factor authentication.

SMS codes have long been less secure than other forms of authentication. With QR codes, Google aims to reduce users' dependency on carriers for account verification.

While my opinion may not be popular, I think Google's QR code authentication is better than other 2FA methods.