how do I determine what os I upgraded from
I would like to revert back to my previous os from El Capitan. How do I determine which one I had as there seems to be a few to choose from
iMac, OS X El Capitan (10.11.4)
I would like to revert back to my previous os from El Capitan. How do I determine which one I had as there seems to be a few to choose from
iMac, OS X El Capitan (10.11.4)
how do I determine what os I upgraded from