[amanzi]

Also took the good parts from Windows NT. I loved using Windows 2000. I remember being really mad when XP came out and it added all the colourful and curvy GUI elements - felt really dumbed down.

[xcv123]

> Also took the good parts from Windows NT.

It is Windows NT 5.0

https://en.wikipedia.org/wiki/Windows_NT#Releases

[steve1977]

And XP was Windows NT 5.1 (as also seen in your link)