

Download for free OS X Lion on Apple’s support page here or OS X Mountain Lion on Apple’s support page here.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.
#MAX OS X UPGRADE INSTALL STUCK MAC OS X#
Why would I install an older Mac OS X software?Īs for now, a limited number of Macs can install these old operating systems. OS X Snow Leopard 10.6.8, Lion 10.7, or Mountain Lion 10.8 already installedĪpple notes that Macs shipped with Mac OS X Mountain Lion cannot install OS X Lion while Macs shipped with Mac OS Mavericks or later cannot install Mountain Lion.Its stuck on this state, with the mouse on the spinning wheel mode, for over a full hour. Below the blue bar, it says About a second remaining.

Your computer will restart automatically. After 13 minutes, the blue bar is complete, and on top, it says: Preparing to install. Mac OS X Mountain Lion requires the following technologies: Then I clicked Install OSX Mavericks and selected the SSD.
