To learn more, please click here. If you're an iPhone or iPad user that loves iOS, OS X Lion can't fail to impress. There has been a lot of speculations that a huge amount of data can be sent over the internet before the release. Mac OS X Lion (version 10.7) is the eighth major release of Mac OS X (now named macOS), Apple's desktop and server operating system for Macintosh computers.. A preview of Mac OS X 10.7 Lion was publicly shown at the "Back to the Mac" Apple Special Event on October 20, 2010.
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