How to Learn Computing Fundamentals Roadmap
This is the first step in your roadmap to becoming an expert.
Do everything in this course. https://www.roppers.org/courses/fundamentals
This will take a long time, but you will learn a huge amount. Bump back to the top of this roadmap once you are done.
If you are looking for an infosec job, there’s some great stuff in here that will help make you marketable: https://www.hoppersroppers.org/library/breakIntoTech.html