and a True Linux ! not one that has been “infected” with parts that do not respect The Four Essential Freedoms of Free Software

So avoid Ubuntu for example…

have a look a this video https://www.fsf.org/blogs/rms/20140407-geneva-tedx-talk-free-software-free-society/

And for a Linux distrio have a look at https://www.devuan.org 💓

and about windows --> https://itvision.altervista.org/why-windows-10-sucks.html