You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.

QR codes have now become a common feature in our daily lives and are appearing on almost everything from product packaging to tickets and restaurant menus. Scanning these codes usually provides quick ...

In this post, we’ll show you how to use the Microsoft Authenticator app on both PC and phone. Microsoft Authenticator is a free app that lets you securely sign in to your personal, work, school, or ...