Step 5. Turn on the ‘Auto-hide Taskbar in Desktop mode‘ and ‘Auto Hide Taskbar in Tablet Mode‘.
Now, if the Taskbar is not auto-hiding, this is what you can do.
Step 1. Right Click on the Task Bar and open the Task Manager.
Step 2. Click on ‘more details‘ to reveal the entire Task Manager window.
Step 3. Left Click on the ‘Windows Explorer‘ process under the processes tab.