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

Posts from this topic will be added to your daily email digest and your homepage feed. You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do ...

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 ...

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