upgrade IOS 2011 imac
I have a 27-inch iMac- Mid 2011 - 2.7GHz Intel Corei5 Is ther a way to upgrade beyond Sierra OS 10.12.6
iMac 27″, macOS 10.12
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2011 iMacs can have up to 10.13.6 installed. Please use How to get old versions of macOS to learn how to install it.
