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Question: how to reinstall old version (mavericks) os in my imac

(NOW my iMac X EI Capitan )how to reinstall old version (mavericks) os in my imac

iMac, OS X Mountain Lion (10.8.3), null

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Nov 12, 2017 12:59 PM in response to nag156raj In response to nag156raj

Good afternoon nag156raj,

Welcome to the Apple Support Communities!

I understand you are looking to reinstall an earlier version of the Mac operating system on your iMac. The resource below explains the different ways to use macOS Recovery to install different versions of macOS. Make sure you have a Time Machine backup of your computer before making significant changes to it.
How to reinstall macOS
How to use Time Machine to back up or restore your Mac​
Take care.

Nov 12, 2017 12:59 PM

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Question: how to reinstall old version (mavericks) os in my imac