Changing UI for Windows 11

[LionelNZ]

I am using WIN 11 I want to either
a) roll back to XP ui or
b) find a course teaching about the Win 11 UI.
I find the new UI very confusing.

TIA
Lionel

[Logit]

https://www.makeuseof.com/windows-95...rs-windows-11/

The above appears to be a reputable resource. I researched tens of websites and would try the above myself.