So much focus on apps and (web) SaaS products these days, that even Microsoft has recent guidelines only for (simpler) Windows apps it seems. For more complex (Windows desktop) applications I prefer the older guidelines, as https://docs.microsoft.com/en-us/windows/win32/uxguide/how-t...
Looks like sibling post (https://news.ycombinator.com/item?id=26030070) has an older guide as well. Have you used that one / could you comment on which one of these older guides has the biggest ROI?
This one is even older (and outdated), but good to add to the archive: https://docs.microsoft.com/en-us/previous-versions/ms997506(...