OS X Lion, also known as Mac OS X Lion, is the eighth major release of 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.
Mac OS X 10.7 Lion is available for older systems that are not compatible with the latest version of macOS and requires the following:
Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
OS X Snow Leopard 10.6.6 or later or OS X Lion 10.7 already installed
2GB of memory
7GB of available space
Some features require an Apple ID; terms apply.
Some features require a compatible Internet service provider; fees may apply.
Any Mac that shipped with Mac OS X Mountain Lion or later will not be compatible with this installer.