We have instructions on how to make a bootable Lion drive or a bootable Mountain Lion drive, in case you want to start from scratch on the Macs you’re working on. If you want to know if your specific Mac can run OS X Lion or Mountain Lion, you can use our full list of macOS versions a Mac can run. MacBook (late 2008 or early 2009 aluminum or newer).Also, the oldest operating system that a Mac M1 can run is Big Sur. You cannot install an old operating system over a newer one. Mountain Lion runs on subsequent Macs, but you may not be able to switch to it unless you completely reformat the drive. Lion runs on Macs that came before Mountain Lion was released in 2012. Is my Mac compatible with OSX Lion and Mountain Lion? Apple stopped charging for macOS updates with Mac OS X 10.9 Mavericks. Strangely, Apple still sells Lion other Mountain lion for $ 19.99 each. To get Lion and Mountain Lion for free, you can visit the support documents for those operating systems on Apple’s website: But there is good news: Apple is now offering Lion and Mountain Lion for free to anyone who wants them. X 10.8 Mountain Lion, and until recently, you had to pay Apple $ 19.99 to get download codes for those operating systems. Some people still use OS X 10.7 Lion and OS.
While macOS is currently at version 11 (aka Big Sur) and macOS 12 Monterey is coming later this year, there are a lot of people who use older versions of the Mac operating system.