“what OS does this model come with? My current iMac will not allow addition OS upgrades and Turbo Tax will no longer support the older OS”

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• It comes with Sierra, but can be upgraded to High Sierra.

  Answered by CommunityAnswer 6 years ago

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• Received iMac as a gift from my Aunt/Godmother, as soon as I had it up and running I immediately upgraded it to MacOSMojavi Version 10.14.1. I am very new to Apple computer.

  Answered by Tita 6 years ago

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