You do not need to log in as the app is synced with your phone as soon as you scan the QR code. Using WhatsApp Web for Windows PC (Windows 10 or Windows 11) is straightforward. However, to ensure the best experience, it's best to use Wi-Fi and keep an eye on your phone's battery life. 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.