i suggest you split your disk and try linux in the other partition way before w10 ends, because there's still a bit of a learning curve and getting used to. for me it took a few tries, a few different distros. i went back to windows for a while a couple of times when i accidentally killed my penquin. btw disable fast startup from windows power button settings if you go this route, that'll save you from a lot of head scratching. i ended up with mint because it seems to be the only distro that works perfectly with my buggy ass 3060ti.
Notepad is heavily used as an IDE (Integrated Development Environment) by a lot of people. It's not exactly a good development environment but it is nonetheless. I would actually argue Notepad is used primarily by programmers, and that casual Windows Notepad users are in the extreme minority. The whole reason it's so heavily used is because unlike WordPad or Word, it doesn't include formatting data, which can fuck up computer code.
Notepad++ for example is literally built to be more like an actual IDE and supports color-schemes and indentations for numerous computer programming languages.
Microsoft isn't entirely stupid (just mostly), and in knowing this, they're pushing to put their programming Copilot where they think it needs to be: Inside IDEs, which to them includes Notepad.
Notepad is definitionally not an IDE. It is not an integrated environment -- and anyone who is intentionally using it over alternatives is almost certainly doing so precisely because they do not want their text editor to be an integrated environment.
I'm sure there's some case where Notepad is PART of an integrated environment, but it would have to be with support of other tools -- likely a terminal of some sort.
The reason other text editors like -- like Notepad++ or Neovim -- can be full IDEs is because they have plugins to generate that integrated experience.
Notepad isn't "technically" not an IDE. It does not have any of the features that make an IDE an IDE. People using something for programming does not make that thing an IDE.
An IDE is an integrated environment for development. Notepad is not integrated with any environment. That's what makes it good.