Steps to use WhatsApp web

i.) Firstly, open any browser of your choice.

ii.) Then, search WhatsApp web in the search bar.

iii.) Then, open the website: https://web.whatsapp.com

iv.) To use WhatsApp on your computer:
     1. Open WhatsApp on your phone
     2. Tap Menu or Settings and select Linked Devices 
     3. Point your phone to this screen to capture the code

iv.) For more information check out this video: https://youtu.be/ltjZ3iGiNMk