upgrading from 10.8.5 t0 9.0
upgrading from 10.8.5 to 9.0
upgrading from 10.8.5 to 9.0
The first thing to do is go up to your Black Apple and make sure that your Software is UP TO DATE.
https://itunes.apple.com/us/app/os-x-mavericks/id675248567?mt=12
That's what I want to do. How long does it take?
upgrading from 10.8.5 t0 9.0