If you want to install OS X on a Hackintosh you need an external media to boot and install from so a bootable USB installer drive for Mountain Lion will be handy here as well.If your Mac has a corrupt or damaged operating System that does not boot and you do not have a faster and reliable internet connection, you can perform clean OS X 10.8 installation from the bootable USB installer.Therefore, you are required to either make a copy of the installer outside of the default Applications folder or make your own bootable USB installer disk before upgrading. The Mountain Lion installer is set to self-destruct the necessary file needed to install once it runs and you will need to redownload it if you want to install it again.So if you need to install it on multiple Macs, a bootable USB installer drive can be more convenient than copying or downloading the entire file to each computer. Your copy of Mountain Lion can be installed on as many number of Macs as you want at no extra cost.Here are the list, why you might want to create a bootable USB installer drive for Mountain Lion. But there are a good number of reasons you might want to create a bootable USB(thumb drive) installer for Mountain Lion. You can run the installer directly from within your previous version of OS X to install Mountain Lion or upgrade to it.

Why would you make a Bootable USB installer drive for Mountain Lion (OS X 10.8) ? It’s the last version of OS X that supports some video conversion applications and it runs very fast. Mountain Lion OS X 10.8 is a great operating system from Apple. Redeem the License code for mountain Lion to download it from App Store Once you buy the license you will receive a redemption code from Apple within 24 hours by email.Go to featured tab in App store on your Mac and select the link redeem on the right hand side under the Quick Links > enter the redemption code and then Apple ID and password, and it will allow you to download the Mountain Lion. Don’t worry, as you still have an option to buy the license for Mountain Lion as Apple still lets you buy license codes for Mountain Lion(OS X 10.8) , Lion ( OS X 10.7) and Snow Leopard ( OS X 10.6). But if you have never upgraded your Mac or never downloaded any older version of OS X or Mountain Lion ( OS X 10.8), you can not get it anywhere. As of writing Apple has a trend of completely removing the links of all the prior version of OS X from its website or App Store, leaving just the most recent one available to download, but if necessary you could request one from Apple by contacting them. If your Mac ran the previous version at any point in the past, you can re-download it from the Mac App Store’s Purchased tab.

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