When you enter your Google login information, it shows a random emoji. Open the Google Messages app on your Android phone and tap the emoji to confirm the authentication.

Either way Google Lens will open and let you know what's in the QR code. Scan a QR code with your webcam Sometimes you have a QR code on a sheet of paper but your phone isn't handy.

Either way Google Lens will open and let you know what’s in the QR code. Scan a QR code with your webcam Sometimes you have a QR code on a sheet of paper but your phone isn’t handy.