If you're using Windows, you can download the portable version that shows a small overlay in the screen. MacOS comes with a builtin keyboard viewer.

I don't think grinding is a good approach, you need to learn it and make it part of your life, just like going through a dictionary won't teach you a language.

Just keep in mind it will always be hard at first, and you won't see the benefits until you have more or less the same fluency as you had with qwerty.

People sometimes think that it will make you faster, and it _can_ make you faster, but the real reward is being just as fast, but enjoying much more using the keyboard.

I learned it in 2016, never went back. I trained with keybr[0] ~1 hour a day for a week, then went cold turkey (with a printed Colemak layout beside my screen), and after another week or so I was at 40wpm (that is, faster than I had ever been before).

It worked for me that way, doesn't mean it will for you. Two things to keep in mind : I wasn't a touch typist before, and I also had to learn all the symbols, coming from a French AZERTY layout.

0: https://www.keybr.com/

I recommend playing 10 minutes a day TypeRacer. It makes the process of learning sustainable, painless, achievable and fun.