How do I upgrade my Mac OS10 Lion 10.7.5 to 10.9 or later?
In order to run FINAL CUT PRO X, I need OS10.9 or better. But my computer says it's already fully updated at 10.7.5. So how do I upgrade to 10.9?
MacBook Pro, Mac OS X (10.7.5), Wanting to upgrade to OS10.9