Tick anything you already have, in any order. Quests unlock once this is done.
Changing straps is the cheapest way to make one watch feel like three. A cheap tool and a soft cloth prevent the scratched lugs every beginner inflicts.
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: Change a strap without scratching the lugs