Tick anything you already have, in any order. Quests unlock once this is done.
Ghost, WordPress, Substack, a plain static site. Spending three weeks choosing a platform is the most reliable way never to publish anything.
Find a free blogging platform2 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: Set up a blog on a free platform