Tick anything you already have, in any order. Quests unlock once this is done.
A kite can lift and drop a person, and this is the sport where untaught beginners get badly hurt. Schools provide all the gear for the course.
Find a kitesurfing school2 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: Fly a trainer kite confidently on land