can something like this happen for linux, I would love to see a linux desktop environment like windows 7

for windows 8 on linux, there's this: https://github.com/er-bharat/Win8DE

I'd rather have KDE on windows 10. Or, better, the whole lot of tiny UX improvements kde has (all the visual/audio controls, the system settings that make sense and are not buried withing 4-5 menus, things like that)

https://gitgud.io/aeroshell/atp/aerothemeplasma

There's a lot of them. Just search for Frutiger Aero on GitHub.

There is a huge pletora of themes for KDE and Gnome to imitate OSX, Windows 95/98, XP, Vista/7, etc...

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