Mac OS X Lion is the eighth major release of Mac OS X , Apple's desktop and server operating system for Macintosh computers.
|A version of the Mac OS X operating system|
Screenshot of Mac OS X 10.7 Lion
|Source model||Closed, with open source components|
|Released to |
|July 20, 2011|
|Latest release||10.7.5 (Build 11G63) / October 4, 2012|
|Update method||Apple Software Update|
|Kernel type||Hybrid (XNU)|
|License||Apple Public Source License (APSL) and Apple end-user license agreement (EULA)|
|Preceded by||Mac OS X 10.6 Snow Leopard|
|Succeeded by||Mac OS X 10.8 Mountain Lion|
|Official website||Mac OS X 10.7 Lion at the Wayback Machine (archived June 9, 2012)|
|Unsupported as of about October 2014; iTunes support ended in September 2015|
A preview of Mac OS X 10.7 Lion was publicly unveiled at the "Back to the Mac" Apple Special Event on October 20, 2010. It brings many developments made in Apple's iOS, such as an easily navigable display of installed applications, to the Mac, and includes support for the Mac App Store, as introduced in Mac OS X Snow Leopard version 10.6.6. On February 24, 2011, the first developer's preview of Lion (11A390) was released to subscribers to the Apple Developer program. Other developer previews were subsequently released, with Lion Preview 4 (11A480b) being released at WWDC 2011.
Lion was released to manufacturing on July 1, 2011, followed by its final release via the Mac App Store on July 20, 2011. Apple reported over one million Lion sales on the first day of its release. As of October 2011, Mac OS X Lion had sold over six million copies worldwide.