Here are the days that I didn’t post since Day 8!
Day 9: Swing
Day 10: Pattern
Day 11: Snow
Day 12: Dragon
Humble Bundle is a great little site! I've been using it since it first started out years ago, when it was a site that only offered video games at name-your-price in order to raise money for charities. Their products are always legit.
Just follow the steps @CLCanadyArts wrote out and you'll be good to go. (Just bought mine thanks to this thread!)