In the event that you don’t have a Recovery HD partition, but your Mac supports Internet Recovery, you can boot to Internet Recovery using Command-R. This method also works with Apple’s Internet Recovery. I’ve verified that this method works for the following versions of OS X: Inside that folder is the InstallESD.dmg disk image file for that version of OS X.
When you take a look at the external disk, you will find a directory called Mac OS X Install Data or OS X Install Data.
Once the installer finishes downloading and prompts you to restart, shut down instead.Ĩ. The OS X installer files will download to the external disk.Ħ. This Apple ID must have previously been used to download the desired version of OS X from the Mac App Store.ĥ. Select the Reinstall Mac OS X or Reinstall OS X option and select your external diskĤ.
Connect an erased external disk with at least 10 GBs of free spaceģ. Boot your Mac or VM from your Recovery HD partition by holding down Command-R at startupĢ. You can use this behavior to capture the InstallESD disk image that Apple uses for the OS X installer. This behavior will also apply to reinstalling in a VM, but Apple will instead provide the generic OS X installer previously available in the Mac App Store instead of a hardware-specific OS X installer. Once your Mac has the installer fully downloaded, it will then reboot and install OS X. Once it has those, your Mac will have the correct installer pushed to it. It does this by looking at the type of Mac you have and the serial number. When reinstalling your OS using Recovery HD, Apple will send you the correct installer for the OS which your hardware shipped with. Update – 9-29-2015: The listings for older versions of OS X and other discontinued software have re-appeared in the Purchased tab as of this morning, so this software is now available for download again.įortunately, it’s still possible to download installers for these versions of OS X, provided you have access to a Mac or virtual machine running the version of OS X that you need to download. With this software unavailable in the Mac App Store, this change means that it’s no longer possible to download the following versions of OS X from the Mac App Store:
As of September 28th, 2015, Apple has apparently removed the listings for older versions of OS X and other discontinued software from the Purchased tab of users who had previously purchased or downloaded them.
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