Qn Windows R65.10 Windows 10
The old, classic customization screen was highly flawed, very hard to scroll through the categories, as I had many nested sub categories.
Just today there was a new interface that worked much better. I foolishly deleted it and went back to classic, but now want to restore the new version. I think the dialog said it was a beta interface, but I am not certain.
This is the old, classic