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: