I don't know if this is still applicable (Windows 10 versus Windows 11), but...
I remembered this from a post long ago, by one of our staff members on out Windows 10 forum.
This Article will cover three topics on same theme: Part 1: Hiding the Local Disk Z. Part 2: Explanation of the method to hide a Disk / Partition and the various values required to do this. Part 3: How to secure a Drive / Partition from being...
www.windows10forums.com
You might give it a read and see what you think. It's really quite interesting.
AND
If nothing else, it's a good way to kill a few minutes.