I used to know how to do this, I'm configuring my first new PC in nine years and can't remember how I did it way back!
I have a 'drum map' (file extension .map) for RealGuitar. I want to be able to right click on the keyboard in PRV view for the track where I'm using it and 'Use these note names' for the keys. That's what I used to be able to do. But the items in that list are from .ins files not .map ones and I can't remember how to get RealGuitar data into there as an option. Can any