Tick anything you already have, in any order. Quests unlock once this is done.
Format is a signal, and nobody reads a script in Word. Fade In, Highland and WriterDuet all have free tiers that handle it for you.
Get free screenwriting software2 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: Read a produced screenplay of a film you love