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How
(lemmy.ml)
Submit screenshots of all your *NIX desktops, themes, and nifty configurations, or submit anything else that will make themers happy. Maybe a server running on an Amiga, or a Thinkpad signed by Bjarne Stroustrup? Show the world how pretty your computer can be!
The GitHub pages usually have information about how to install stuff. There are also YouTube videos and articles online you can easily find with a quick google search about this. Use your brain