10.3 should work. Go to the Preferences, then Store, and select Automatic Downloads for Music/Apps/Books. Also, you can go to the Apple Store and under Quick Li

10.3 should work. Go to the Preferences, then Store, and select Automatic Downloads for Music/Apps/Books. Also, you can go to the Apple Store and under Quick Links, you'll find a Purchased link. That'll let you re-download any Music/Apps/Books. It's not really cloud-y yet, but it's a start.