What to do with my old imac
If my iMac is an old version and cannot upgrade to OS 15.6.1. What can I do to fix the critical security problem that just announced recently ?
iMac 21.5″, OS X 10.10
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15.6.1 is for IOS which only runs on iPhones and iPads. There is no such thing as 15.6.1 for Mac OS. If you have a legacy iMac that will not run current versions of Mac OS simple check to see if there are any OS updates for it and if there are please install them.
