Just get used to
- using movement (hjkl),
- going between insert and normal modes (i and esc),
- undoing (u from normal mode),
- and saving (:w and :wq).
Don’t try to do it all at first, just get comfortable with the essentials. You can even just stay in insert mode (the only mode in most editors) at first.
Keep a vim basics cheat sheet handy for a couple weeks as you’re building in muscle memory, then slowly work in more advanced techniques and combinations.
It doesn’t take long before you start having a lot of fun just manipulating text.
PS here’s a decently basic cheat sheet I found:
How do you like it? I tried it a few years ago, but my vim muscular memory made it feel as uncomfortable as learning vim for the first time.