Google Authenticator is a streamlined, straightforward authentication app with a surprising ... For most sites, such as Facebook or Google, you just scan a QR code with a phone, and then type ...

Facebook and Instagram both have ... Two-Factor Authentication. Choose the Authentication App, then duplicate the key or scan the QR code to add your account. Enter your 6-digit code from your ...

with no need to dig into a password management app. How to set up two-factor authentication on Mac Setting up two-factor authentication on macOS is easy—you can scan a QR code for an automatic ...