OS upgrade after a reformat

  borojohn 12:17 18 Feb 2018

Hi, I have just reformatted my iMac 27inch. Its reinstalled Yosemite which must have been the OS it was shipped with. How can I upgrade to Sierra (NOT HIGH SIERRA). Im only getting the option to upgrade to High Sierra. Thanks.

  bremner 14:30 18 Feb 2018

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