Updated menu bar features wider spacing and a new translucent material that becomes more vibrant when you interact with it.New design for apps makes it easier to focus on your content and take action with space efficient toolbars and full height sidebars.To see which model you have, click the Apple icon in your menu bar and choose About This Mac. Get even more transparency around your privacy.Ĭhances are, your Mac can run macOS Big Sur Discover new features for Maps and Messages. macOS Big Sur brings a refined new design that gives you even more of the things you love about Mac. MacOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty.