Tick anything you already have, in any order. Quests unlock once this is done.
An entry controller comes with the software licence bundled, which is most of the cost. Closed-back so you can hear the cue over a loud room.
2 things left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Beatmatch two tracks by ear with the sync off