![]() To attempt a workaround, I downloaded the v 10.12.1 package installer, which gave me the error message "This update requires OS X version 10.12." - to my knowledge, no such version exists.Įvery subsequent version of Sierra I attempt to update with, including the 'combo' packages, is giving me the same error. There are no updates in the App Store - selecting "Software Update" in "About this Mac" has also yielded a "No Updates Available" message. I am unable to get past step 1 of upgrading to any version of Sierra. I'm attempting to upgrade from El Capitan 10.11.6 to some (any) version of Sierra, to facilitate an upgrade of XCode, to be able to test an iOS 11 simulator.
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