If your camera is showing in Black and White on your Windows 11/10 computer, use the following suggestions to fix this problem: First, open Windows 11 Settings and go to Bluetooth & devices > Cameras.
The stream will start on your PC. Open the camera app to view the viewfinder. Note that the view on your screen will have the app's watermark on the free version. It didn't affect my experience ...
Once your camera turns on, place your QR code in front of your computer's camera. Once it's identified, you'll be able to open or save it. How to scan a QR code on a Windows PC For PCs ...