Plasma

Plasma is KDE's desktop environment. Simple by default, powerful when needed.

I want Microsoft to go back to the good old days, when the desktop wasn’t cluttered with ads and product placement!

I like your sarcasm. But I do want to go back to that interface.

@NaoPb @aeronmelon

I prefer a graphical user interface free free from advertisements also.

For the last decade, I've been using primarily Linux (which I started to experiment with more than 20 years ago). I also use some older Apple OS X systems and occasionally boot a workstation running Windows 7 (but that's the dunce sitting in the corner).