?Every two years, Apple releases a new version of its Macintosh operating system, OS X. For the past six years each version, at the time of its release, has reset the bar as the best consumer-level operating system ever created. OS X 10.7 Lion, released today via Apple`s online-only App Store, continues the tradition.?"
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips