How do I upgrade to a higher os . I currently have os x 10.5.8.
Phone the online Apple Store and order a Mac OS X 10.6 DVD.
The next release of OS X is Snow Leopard 10.6. To upgrade to Snow Leopard you need to purchase the install DVD from Apple. Call them and order it.
First Check that your Mac meets the System Requirements for SL and ML...
Snow Leopard Tech Specs
Upgrade to Mountain Lion
Retrieving data ...