Go to your WhatsApp app on your smartphone, to the three dots in the upper right corner, and tap WhatsApp Web. Or you can close all sessions available from your smartphone in case you forgot to log out before turning off your PC. It’s important for you to remember that if you don’t sign out of WhatsApp Web, the next person who accesses the computer and that browser will be able to read your conversations. Sign out using the three dots in the upper right corner in WhatsApp Web and click on Log Out. You can use WhatsApp Web in its own tab while your browse from another. Once you’ve scanned the QR code, you’ll see all your conversations and can use them as usual, right from your browser. Point your phone at this screen to capture the code.Tap Menu or Settings and select WhatsApp Web.Once you have the page open, you’ll see the instructions and a QR code that you’ll have to scan by following these steps: To use WhatsApp on a PC this way, you first have to go to from your computer’s browser. If it’s not turned on and connected to the internet (using WiFi or a data plan), you won’t be able to see your incoming messages or conversations on the PC. It’s necessary to have your phone connected to the internet in order to receive the messages. The first option for using WhatsApp on a PC is via WhatsApp Web.