WhatsApp is the world's most popular messaging app. It's Android and iOS apps are great, but if you want to use it on your computer here's what to do.

WhatsApp has become the most used messaging app in the world, and you can now also use it on your computer. It's called WhatsApp Web.

WhatsApp may be primarily a smartphone app, but it is easy to use on your computer using the WhatsApp Desktop app for Windows PC or Mac. Here’s how.

How to set up and use WhatsApp Web or the desktop app 1. Once you've opened the webpage or installed and run the desktop app, you should see a QR code on your computer.

Instead, it’s a companion to WhatsApp on your iPhone or Android phone. To use WhatsApp on a Mac or Windows PC, you’ll need to link your computer with WhatsApp using your phone.