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