TLDR and Cheat don't replace man pages; they complement them. They're perfect for day-to-day learning and quick reference ...
The terminal is approachable and can be fun—practice shortcuts to make it your go-to over a GUI. Learn history, !!, Ctrl+R, tab completion, pwd, and cursor shortcuts to edit and reuse commands fast.
If you're not happy with the default Windows file manager, you're in luck because there are plenty of options that improve on the original.