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.Because it comes with iCloud, your mail, calendars, contacts. Mountain Lion will not only make your Mac work better, it also makes your Mac work even better with your iPhone, iPad, and iPod touch.
Just click the Mac App Store icon in your dock, purchase Mountain Lion, and follow the onscreen instructions to install it. 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: OS X Mountain Lion is available now as a download from the Mac App Store. 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. There are a lot of things that can go wrong with your Mac: Hardware problems, software glitches, and configuration issues can happen. 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. Though it is generally recommended for users to keep their Macs up to date with the latest system software, not everyone wants to run OS X Mavericks on all of their Macs, and in some situations older Macs may not support the latest version of OS X anyway.Mac OS X Mountain Lion requires the following technologies:
Not to fear! You can still install the OS. Some Internet recovery images likewise have not been updated. OS X 10.8.3 beta 1 is identified as build 12D32 and focuses on AirPlay, AirPort (wireless), Game Center, and graphics drivers, though it’s not yet clear if the intention is for bug. The first beta of OS X Mountain Lion 10.8.3 has been released to registered Mac developers. In all of these just jump down to Step 4 to get to the URL link for the OS image.Īpple did not alter the older images in their downloads. OS X 10.8.3 Beta 1 Released for Developers. The issue you face with the newer macOS’s is Apple didn’t update the certificate which is why this has become more of an issue as of late.
As an example I had to re-install Lion for someone as they just didn’t want anything newer (90 year old lady) who just didn’t want to relearn how to do things or have the will to update her apps. The program supports MacBook 2 to 4, MacBook Pro 2, MacBook Air 1.1, Mac Mini 1, etc. It bypasses the updating protocols and writes the new system code atop the existing one. You’re hitting an expired certificate issue! Here’s more on it If you've got an old macOS install image, it will probably stop working todayĪpple has been doing this for years! You mostly on hit this issue on systems which can’t support newer OS’s. Get Mac OS 10.8 X Mountain Lion on your Mac regardless of the current version.