Downloading previously purchased music, Movies to my new MacBook
How do I authorize my new MacBook Pro so I can download my previously purchased iTunes music library and movies?
MacBook Pro 15", macOS 10.12
Question marked as
Log in with your Apple ID into iTunes (menu Account).
Then: Account﹥Authorizations﹥
And for good measure, remove any previous/unused Mac from your list of associated devices. View and remove your associated devices in iTunes - Apple Support