You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...

To avoid this threat, you should use trusted apps provided by the device manufacturer to scan QR codes and avoid downloading custom QR code apps.

Soon, you'll be able to use the Snipping Tool to scan QR codes in screenshots, finally giving you an easy way to use them on PC. You'll also be able to use Windows 11's emojis to annotate screenshots.

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

Open Windows Settings and navigate to Network & internet > Wi-Fi > Manage Known networks. Click on the arrow to the right of ...

Scanning a QR code without your phone requires a little help from Google or a webcam.