The Camera app on your Windows computer lets you easily scan QR codes using your PC's webcam. If you need to scan a QR code from an image, you can use the Snipping Tool app or a QR code scanning ...

The switch to digital for everything from tickets to menus has been accelerated, and QR codes are a simple and convenient option for creating shortcuts to everything from phone apps to website links.

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.