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Inside it is a Contents folder, then a SharedSupport folder, then the InstallESD. Control Click on the Install OS X Mountain Lion app and choose Show Package Contents Navigate through Contents > Shared Support > InstallESD.dmg and double click to start InstallESD.dmg A volume Mac OS X Install ESD will appear after verifying. Control-click (right-click) it, select Show Package Contents, and you'll see a Finder window for it. It should be in the Applications folder on the Mac you downloaded it to, and named Install MAC OS X MountainLion or Install MAC OS X Lion.
#Mac os x lion installer how to
Via the Finder, locate the installer you downloaded from the Mac Apple Store. Nice to know, thanks But maybe this hint should be renamed '10.7: How to RE-download the OS X Lion Installer on Lion' because I'm pretty sure that when you buy and install an app for the first time, no matter what, the installer run by itself and install the app and then vanished (as in, there's no real way to get a complete copy 'before' the first install). Official OS X Mountain Lion.app Installer from the Mac App Store.Both versions 10.8.4 AND 10.8.5 full installers included (zipped).Un-archive the zip archive. See #3 in Formatting, Partitioning, Verifying, and Repairing Disks if you need partitioning instructions. How to install Mountain Lion, Mavericks, Yosemite and El Capitan on unsupported macs. If you're going to copy to a partition, it should be about 5 GB in size. Apples 12th OS release is the OS X El Capitan.
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You'll need a Finder window and the Disk Utility app (in your Applications/Utilities folder) on your screen. If you back up your current Mac OS X startup disk and then reformat it before installing Mac OS X Lion on it, you can transfer your accounts, settings. drag and drop into terminal, and remove quotes. drag and drop into terminal, and remove quotes.' OR xattr -c 'wherever your installer is. This procedure has worked in testing, but is not officially supported by Apple.ĭepending on how you install Lion or Mountain Lion, you may need to do this after downloading, but before installing, as the downloaded package may be deleted from your Applications folder during the installation. Run this command in Terminal: xattr -cr 'wherever your installer is. You may be able to make an Install DVD or partition on a hard drive (including a USB thumb drive).
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