Please refer to the FAQ video if you are facing a Webcam Issue (Windows).
You can also refer to the below step to resolve the Webcam Issues (Windows)
To update the webcam drivers, please go to Device Manager from the Start menu, and open Webcam Properties under ‘Imaging or Camera’ Devices.
Please go to the ‘Driver’ tab & click on ‘Update Drivers’.
Then click on ‘Browse my computer for driver software’.
Click ‘Let me pick from a list of available drivers’.
Please ensure the ‘show compatible hardware’ box is checked, and then choose ‘USB Video Device’ and install that driver.
Windows has successfully updated your drivers.
Also check if the Camera is allowed to access the Apps on Windows. Go to "Camera Privacy Settings" from the Start menu, and make sure it’s Turned ON.