Note that you can always re-download the version of OS X that came with your Mac for free.Īs of the date of this article, OS X 10.8 Mountain Lion is the current OS, although the recently-announced OS X 10.9 Mavericks is right around the corner.
#Multi os usb installer how to#
Here’s how to create your own USB or DVD Installer for OS X.įirst, you’ll have to purchase a copy of OS X from the Mac App Store if you don’t already have one. This approach brought many benefits, such as not having to keep and safeguard a physical disc, immediate access to the OS when purchased instead of having to wait in line, and server-side updates to the downloadable installer so that the most current version of OS X is always installed when updating new machines.īut what if you’ve just installed a new hard drive in your Mac and have no version of OS X with the Mac App Store? Or what if you don’t have a reliable Internet connection? In these cases, it’s always best to have a physical local copy of the OS X installer.
#Multi os usb installer download#
Instead of a traditional disc, customers could now purchase and download OS X directly from the Mac App Store. With the release of OS X 10.7 Lion in 2011, Apple officially abandoned physical media for its operating system installations. For OS X Mavericks, see this updated process. UPDATE: Apple has changed the process for creating a USB installer with OS X Mavericks and the method below no longer works.
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