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what is the best macOS for my iMac mid 2010

I having trouble updating to Sierra 13.0


Is there a better macOS than Sierra for this dinosaur iMac Mid 2010 27"


If so, any recs on how to install it?

iMac 27″, macOS 10.12

Posted on Mar 7, 2023 2:09 PM

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Question marked as Top-ranking reply

Posted on Mar 7, 2023 2:17 PM

High Sierra 10.13.6 is the best and also the latest possible. See the following from Identify your iMac model - Apple Support


iMac (27-inch, Mid 2010)

Model Identifier: iMac11,3

Part Number: MC510xx/A, MC511xx/A

Latest compatible operating system: macOS High Sierra 10.13.6


To upgrade to High Sierra, see: How to download macOS - Apple Support


1 reply
Question marked as Top-ranking reply

Mar 7, 2023 2:17 PM in response to scot3-1964

High Sierra 10.13.6 is the best and also the latest possible. See the following from Identify your iMac model - Apple Support


iMac (27-inch, Mid 2010)

Model Identifier: iMac11,3

Part Number: MC510xx/A, MC511xx/A

Latest compatible operating system: macOS High Sierra 10.13.6


To upgrade to High Sierra, see: How to download macOS - Apple Support


what is the best macOS for my iMac mid 2010

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