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You won’t even be prompted to authorize the installer on each Mac, as you are with other Mac App Store-distributed software-the Mountain Lion installer does not use digital-rights management (DRM).ĭownloading the installer onto a Mac already running Mountain Lion: If you already have Mountain Lion-either the official release or the golden master (the final developer release, a.k.a., the GM)-installed on a Mac, you may have problems downloading the installer onto that Mac, as the Mac App Store app may think you already have it and, thus, not offer to let you download it. This is obviously a much faster approach than re-downloading the 4.4GB installer onto each of your Macs.

To download the installer on a Mac other than the one on which you purchased it, you just launch the Mac App Store application, click the Purchases button in the toolbar, and click the Download button next to OS X Mountain Lion in the list.Ĭopying the Mountain Lion installer onto other Macs: Alternatively, once you’ve downloaded the Mountain Lion installer onto one computer, you can copy it-over your local network or by using a flash drive, DVD, or external hard drive-to your other Macs.

#Dvd os x mountain lion install

In fact, if you choose Software Update from the Apple Menu under Mountain Lion, the Mac App Store app is launched.ĭownloading the installer onto other Macs: Once you’ve purchased Mountain Lion, you can download the installer onto any 10.8-capable Mac authorized to use your Mac App Store account-just like applications purchased from the store, a single purchase of Mountain Lion lets you install it on all your personal Macs. Note that unlike with Lion, which continued to use the legacy Software Update feature (found in the Apple Menu) to provide OS updates, updates to Mountain Lion will be provided through the Mac App Store app. the morning of Mountain Lion’s release, the download took between 35 and 55 minutes for Macworld editors. On cable-model connections around the U.S. On my Mac, the installer even automatically launched after it finished downloading. Specifically, the 4.4GB installer application, called Install OS X Mountain Lion.app, will be saved to your main Applications folder ( /Applications) and, if you’re upgrading from Lion, added to Launchpad. Visit this Apple web page for details.)Īfter providing your Apple ID and password, Mountain Lion will begin downloading. (Note: If you purchased a Mac between June 11 and July 25, 2012, but it didn’t come with Mountain Lion pre-installed, don’t purchase it from the Mac App Store this way-you’re entitled to a free copy of the new OS. If downtime isn’t an option for you, you might consider holding off for OS X 10.8.1. It could be bug-free, but if the history of OS X is any indication, we’ll see the first update, containing a number of bug fixes, within a few weeks. As I did last year with Lion, I’ve compiled this guide to getting and installing Apple’s latest OS.įair warning: If you install Mountain Lion right when it’s released, keep in mind that you’re installing version 1.0 of a major new OS.

#Dvd os x mountain lion upgrade

This makes it easier and more convenient to upgrade your OS than having to buy and use a DVD or thumb drive, but it also raises a number of questions, and it presents upgrade obstacles for some users. More specifically, it’s available only as a download from Apple’s Mac App Store.

OS X 10.8-better known as Mountain Lion-inherits Lion’s distribution method. But Lion changed all that by making OS X available for direct download.

#Dvd os x mountain lion mac os x

Before Lion (OS X 10.7) debuted last year, installing the latest major version of Mac OS X meant buying a disc and slipping it into your Mac’s optical drive.