However, there may be a way to use WhatsApp on your laptop or PC without needing your smartphone. Scanning the QR code mirrors your WhatsApp account on your web browser.
You need the authorisation of the active WhatsApp account on your phone to access it on your laptop or PC. The only way to log in to WhatsApp Web is by scanning the QR code on the web portal with your phone. Since WhatsApp does not ask for any login credentials, it is not possible to gain entry to your WhatsApp account without your phone number. To put it simply, there is no legitimate way to log in to WhatsApp Web without your phone.