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Apple reported over 1 million Lion sales on the first day of its release. Lion achieved golden master status on July 1, 2011, followed by its final release via the Mac App Store on July 20, 2011. Other developer previews were subsequently released, with Lion Preview 4 being released at WWDC 2011. On February 24, 2011, the first developer's preview of Lion was released to subscribers of Apple's developers program.

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. Download for free OS X Lion on Apple’s support page here or OS X Mountain Lion on Apple’s support page here.Mac OS X Lion (version 10.7 marketed as OS X Lion) is the eighth and current major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers.Ī preview of Lion was publicly unveiled at Apple's "Back to the Mac" event on October 20, 2010.Pay for OS X Lion and Mountain Lion $19.99 through the Apple Store.

So if by any chance you have an old Mac and want to install an old version, you can choose one of the two paths:

The new M1 Macs, for example, can only be restored to macOS 11 Big Sur. For example, only Macs launched before 2012 are eligible to install them and the user must factory reset their computer to be able to run these older OS X systems. Why would I install an older Mac OS X software?Īs for now, a limited number of Macs can install these old operating systems.
