Windows 11 can be installed on most computers in a supported or unsupported fashion.
For the computer in the opening post it is by trial and error in the unsupported fashion.
While it can be installed there could be problems with performance.
So it's best to make free backup images:
(Acronis, Aoemi, EaseUS, Macrium, Paragon, etc.)
Then clean install WIndows 11 for testing purposes:
Once testing has completed the Windows 10 can be restored.
These links may be useful:
Please remember to vote and to mark the replies as answers if they help.
On the bottom of each post there is:
Propose as answer = answered the question
On the left side of each post there is /\ with a number: click = a helpful post