sperrydk wrote:
I have a MacBook Pro Retina mid-2012, and the last update is OSx El Capitan. When I tried to update I received this message Server can’t be installed on “Macintosh HD” because the version of OS X is too new.
Help!
Big Sur is limited including— MacBook Pro (Late 2013 or later)
The older macOS installer backups on this server:
https://support.apple.com/en-gb/HT211683
verify you are using the Safari browser to download/initiate the macOS links.
The mid-2012 Retina MBP is capable of running:
macOS Catalina macOS 10.15.7 - Technical Specifications - Apple Support
https://support.apple.com/kb/SP803?locale=en_US
System requirements macOS 10.15 Catalina
macOS Catalina will run on all Macintosh computers that supported Mojave:
MacBook: Early 2015 or newer
MacBook Air: Mid 2012 or newer
MacBook Pro: Mid 2012 or newer
Mac Mini: Late 2012 or newer
iMac: Late 2012 or newer
iMac Pro
Mac Pro: Late 2013 or newer; Mid 2010 or Mid 2012 if upgraded with a recommended Metal-capable GPU
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If you still have issue— you can stair step up to High Sierra first before you proceed