Upgrade OS Big Sur
Hi, can I upgrade my MacBook Pro (Retina, Mid 2012) with OS Big Sur - system currently running is Sierra 10.12.6 ?
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macOS Big Sur 11 is not compatible with MacBook Pro Mid 2012..
macOS Big Sur is compatible with these computers
However other older versions of macOS are available.
1. Check compatibility
To confirm compatibility before downloading, check the minimum requirements for
macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite.
You can also find compatibility information on the product-ID page for
MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Applications compatibility: https://roaringapps.com
2 For older version of macOS:
Please read this section carefully
Section: Download macOS
https://support.apple.com/en-us/HT211683
Install macOS upgrade.
https://support.apple.com/en-us/HT201475