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Unity will start charging developers each time their game is installed
(www.engadget.com)
This is a most excellent place for technology news and articles.
If you have some coding knowledge, this series of videos was amazing: https://youtu.be/mAbG8Oi-SvQ?si=Tyy2hjrdrvafSo6z
Not everything he does is right and some things he doesn't even understand that well, but it gives you a good idea into everything you'll need and you can then quickly learn how to expand from that.