By terminating them, I was able to delete the 'Microsoft' folder in Program Files (x86). In addition, many folders in the 'WindowsApps' folder in Program Files are also deleted.

After uninstalling a program, you can use the following effective ways to remove leftover files of the program on a Windows 11/10 computer: Check the Program Files or Program Files (x86) folder ...

If you don’t find a shortcut, go to C:Program Files and look for the appropriate folder. Check C:Program Files (x86), as well, if your PC has that folder. 4) Delete the program folder.