update my MacbookPro
how do I do a system update for my Mac Book Pro?
Mac Pro
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The model year of a MacBook Pro is available at Apple menu > About This Mac.
A mid-2010 through late-2011 MacBook Pro can be upgraded to High Sierra 10.13.6 but no later version.
A mid-2012 through early-2013 MacBook Pro can be upgraded to Catalina 10.15.7. See: https://support.apple.com/en-us/HT211683
A late-2013 or later can be upgraded to the current version of Big Sur. See: https://support.apple.com/en-us/HT201475