It may be preferable to have the users not see the Windows Desktop. 


Do not want the user to see the desktop

Set Quicklaunch to Fixed Mode and Always on the Bottom

Ctrl-Alt-S

  1. Select  Display
  2. Select Fullscreen
  3. Select Fixed
  4. Select Always on Bottom



You then need to select the behaviour for the Dockview Appbar


     5. Select Docked

Uncheck Appbar if you prefer no appbar in dockview



      6.  OR choose to have it Autohide






7.  You also can then then enable Lockdown mode if applicable