Sorry you had so much trouble finding the right links. Discourse is not really easy to navigate, I really miss the old vBulletin software and the way it organized things. But, thank you for asking rather than just giving up!
Make sure to read the instructions fully before clicking links!
Instructions for v2 are here:
Instructions for v3 are here:
v3 does not yet have a MIDI module. That’s a ways down the road, after RCP is rock-solid with v3.
