- Install os x mountain lion app download software license#
- Install os x mountain lion app download install#
- Install os x mountain lion app download upgrade#
- Install os x mountain lion app download license#
- Install os x mountain lion app download download#
Install os x mountain lion app download install#
(If you’ve already got your copy of the Mountain Lion installer, skip this step.)Ĭreate a bootable install drive using the instructions forĬreating a bootable Mountain Lion install drive.īoot your Leopard Mac from that new install drive.
Install os x mountain lion app download download#
Use the computer running Snow Leopard or later to download the Mountain Lion installer from the Mac App Store. (For this purpose, I recommend a clone.) Be sure to test this backup to verify that it has your latest data: In the case of a Time Machine backup, try restoring some important data from the backup in the case of a clone backup, boot from the clone to make sure it boots and that it contains all your data. Make sure you have an up-to-date backup-either a Time Machine backup or a clone backup using a utility such asĬarbon Copy Cloner-of your Leopard Mac’s drive. (If this sounds a lot like aĬlean install, that’s because it’s essentially the same process.) Here’s are the steps to take: Specifically, the procedure involves erasing your Mac’s drive, installing Mountain Lion onto it, and then importing all your data from your backup. This means that as long as you have a good backup a 5GB-or-larger thumb drive or external drive and either an already-downloaded copy of the installer or access to a Mac running Snow Leopard, Lion, or Mountain Lion, you can perform a bit of installer razzle-dazzle.
Install os x mountain lion app download upgrade#
What if you don’t want to install Snow Leopard first, or if you don’t have your Snow Leopard disc handy? I’m not being coy here-perhaps you’ve misplaced the disc, or maybe you’re on the road and you’ve got your Mac’s original (Leopard) disc with you as an emergency boot disc, but you don’t have your Snow Leopard upgrade disc.Īs I mentioned above, the Mountain Lion installer will let you install onto a bare drive as long as the installer itself is run under Snow Leopard, Lion, or Mountain Lion. This approach works fine, it’s fairly easy to do (if a bit time-consuming), and it gets the Apple seal of approval. Purchasing it for $29 if necessary, and then install Mountain Lion. System requirements-you must first install Snow Leopard, The official wayĪs I explained above, Apple’s official policy is that if you want to install Mountain Lion over Leopard-assuming, of course, the Mac in question meets the If you’ve got one of these Macs, still running Tiger, and you’re determined to upgrade it to Mountain Lion, the first two methods below (“The official way” and “The brute-force method”) will work the third method (“The quick-but-techie way”) will not. Note that there are actually two Mountain Lion-compatible Macs-the Mid 2007 iMac and the Mid/Late 2007 MacBook Pro-that shipped with Tiger. So then the question becomes whether there are any technical reasons you can’t install Mountain Lion over Leopard. In other words, in our view, you should be well within your rights to install Mountain Lion on any of your computers for which you have a valid, current Snow Leopard or Lion license-even if you don’t actually install Snow Leopard first.
Install os x mountain lion app download license#
While the letter of the law says you need to install at least Snow Leopard before installing Mountain Lion, the spirit of the law seems to be that a particular Leopard-equipped Mac just needs a license for Snow Leopard or Lion before you can upgrade it. The practical questionīut lets take a step back. Lion-installation articles), I can tell you that it’s a real hassle. Having performed this two-step upgrade many times while researching our various Mountain Lion-installation articles (and last year while writing our This is just one scenario-I can think of a number of situations in which you might have Leopard on a Mac or an external drive, along with a valid license for Snow Leopard, and you’d rather not take the interim step of installing Snow Leopard just to upgrade to Mountain Lion. But what if, for example, you’ve got a family-pack license for Snow Leopard, and you’ve got a Mac that shipped with Leopard but that’s never been upgraded to Snow Leopard or Lion? The Mountain Lion license agreements say that even if that Mac is compatible, you can’t upgrade to 10.8 until you first install at least Snow Leopard. If your Mac doesn’t at least have Snow Leopard installed, you can’t install Mountain Lion. If your Mac shipped with Leopard or Tiger (Mac OS X 10.4), but you later purchased and installed Snow Leopard or Lion, you can install Mountain Lion.
Install os x mountain lion app download software license#
The software license you agree to when you install Mountain Lion states that you can “download, install, use and run for personal, non-commercial use, one (1) copy of the directly on each Apple-branded computer running OS X Lion or OS X Snow Leopard…that you own or control.” In other words, if your Mac shipped with Lion or Snow Leopard, you can install Mountain Lion.
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