Add Music to Media Player app in Windows 11

  For adding music from your locally stored music to Media Player app on Windows 11/10 PC, To add Video files, you need to click on the Video Library link instead and follow the same procedure.

Remove music folders in Media Player in Windows 11

If you would like to remove music folders in Media Player:

In case, you have music files stored on an external device like USB flash drive or an external hard drive, you can add music from a USB flash drive or external hard drive directly to the library. To add Video files, you need to expand Music Library Locations instead and follow the same procedure. Hope this helps.