Remove a device from your Microsoft account
If you don't use a device but it still appears in your devices list, here's how to remove it: Go to account.microsoft.com/devices, sign in, and find the device you want to remove. Select Show details to see info for that device.
Video playback settings in Windows - Microsoft Support
For these apps, you can control video playback using the video playback settings in Windows 11. For example, you can have your PC process video to enhance it (depending on your PC’s hardware) or choose to play video at a lower resolution to help save network bandwidth.