macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy.
Big Sur is compatible with the following comptuers:
MacBook 2015 and later
MacBook Air, 2013 and later
MacBook Pro late 2013 and later
Mac Mini, 2014 and later
iMac 2014 and later
iMac Pro 2017 and later
Mac Pro, 2013 and later
As with any update, make sure you check compatibility with your existing software and ensure you have a full backup before installing.