Geeks are enthusiasts who collect and engage with specific topics, often focusing on trends and memorabilia, while nerds are more academically inclined, concentrating on mastering knowledge and skills in their areas of interest. Both terms can overlap, but they emphasize different aspects of passion and expertise.
https://laist.com/shows/take-two/whats-the-difference-between-a-geek-and-a-nerd
There are unfortunately still useful things that only work on Windows, which is why I still begrudgingly dual boot. I like the idea of ReactOS, but development is slow-going and it’s still only alpha quality at the moment.