click on settings and you will see the option Whatsapp On Web click on it . Now
open your Chrome Browser go to web.whatsapp.com. Scan the code with your
mobile phone and it will sync all your Whatsapp contacts on your browser so
you can enjoy Whatsapp on your browser while using Facebook or doing other \
work and you do not have to check your phone to read Whatsapp messages.
Note: Don’t close Whatsapp while using on Web. It will disconnect network between web and Whatsapp.