The interface updates in real time, so any changes made on one device will reflect on the other. Once you have completed these steps, you will have access to your WhatsApp account in the browser just as it appears on your phone. Your app interface will open automatically.Use your phone to scan the QR code that appears on the app.
Go to WhatsApp Web in the settings menu of WhatsApp on your phone.To open the app, you do not need to download any software.