Now do Windows. Circa 2002, so you're baseline is XP. Go through those UI changes and the change backs. Don't forget the detours! At one point (purportedly) MS

Now do Windows. Circa 2002, so you're baseline is XP. Go through those UI changes and the change backs. Don't forget the detours! At one point (purportedly) MS had a phone and they made their desktop look like a phone UI.