I can't upgrade my MacBook Pro mid 2012 from Mountain Lion to any newer macOS, High Sierra or Mojave. After installation is complete via usb and on the first boot it goes
MacOS High Sierra Compatible Macs List | OSXDaily
Identify your MacBook Pro model - Apple Support
The 8 best new features in the macOS High Sierra public beta | Stuff
Apple MacBook Air & Pro (2012-2014), 47 Units, Functional Complete, Grade Mixed, Austin, TX | Closes: Feb 15, 2023 11:00:00 AM PST | EcoATM
macOS High Sierra Compatible Macs and System Requirements: EveryMac.com