I wrote a few articles on my blog for people in your situation, who are mostly only familiar with Windows and/or Mac and want to learn Linux more in depth.
https://tilde.town/~ramin_hal9001/articles/2022-02-03_advice-for-people-who-want-to-learn-linux.html – This article is kind of an overview of the Linux learning process. The point of this article is to teach you what it is you need to learn about so that you set your own curriculum. Once you understand what a few of the basic things are, you can look up your own tutorials on how to learn each thing.
https://tilde.town/~ramin_hal9001/articles/2022-04-28_how-to-pick-a-linux-distro.html – This article is for people who are overwhelmed by the number of choices for Linux distro. The bottom line is: don’t over-think it, just pick a mainstream distro like Mint, Ubuntu, or Fedora. There is like a 99.99% chance that each of these will just work as soon as you install it, no weird issues with audio, graphics, WiFi, BlueTooth, security updates, or anything else. Also, a lot of the “choices” you see among all those distros are only skin deep – differences in the default theming (i.e. the default “desktop environment”, a concept explained in the “advice” article above). But really they are all using the same basic software packages so there very little substantive difference between any of them except in their app stores, and the mechanism they each use install software.
If you have any questions, feel free to ask me here. I can clarify here, and also update my blog posts if you think anything is confusing.