Newest Macbook Operating System
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.
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- New Mac Operating System Big Sur
Check compatibility
macOS Big Sur is compatible with the following computers. If your Mac isn't compatible, you might be able to install an old version of macOS instead.

Jun 22, 2020 Cupertino, California — Apple today previewed macOS Big Sur, the latest version of the world’s most advanced desktop operating system. MacOS Big Sur introduces a beautiful redesign that is entirely new yet instantly familiar. Safari is packed with new features, including a customizable start page, elegantly designed and more powerful tabs.
- Cupertino, California — Apple today previewed macOS Big Sur, the latest version of the world’s most advanced desktop operating system. MacOS Big Sur introduces a beautiful redesign that is entirely new yet instantly familiar. Safari is packed with new features, including a customizable start page, elegantly designed and more powerful tabs.
- Note: As new major versions of macOS are made generally available, Microsoft will remove support for the oldest version and support the newest and previous two versions of macOS. Product functionality and feature availability may vary on older systems. For the best experience, use the latest version of any operating system specified above.
MacBook introduced in 2015 or later
MacBook Air introduced in 2013 or later
MacBook Pro introduced in late 2013 or later
Mac mini introduced in 2014 or later
iMac introduced in 2014 or later
iMac Pro
Mac Pro introduced in 2013 or later
View the complete list of compatible computers.

If upgrading from macOS Sierra or later, your Mac needs 35.5GB of available storage to upgrade. If upgrading from an earlier release, your Mac needs up to 44.5GB of available storage. To upgrade from OS X Mountain Lion, first upgrade to OS X El Capitan, then upgrade to macOS Big Sur.
Download macOS Big Sur
If you're using macOS Mojave or later, get macOS Big Sur via Software Update: Choose Apple menu > System Preferences, then click Software Update.
Newest Macbook Air Operating System
Or use this link to open the macOS Big Sur page on the App Store: Get macOS Big Sur. Then click the Get button or iCloud download icon.
New Mac Operating System 2020
Install macOS Big Sur
Newest Macbook Pro Operating System
After downloading, the installer opens automatically. Click Continue and follow the onscreen instructions.
What Is The Newest Macbook Operating System
Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, it might restart and show a progress bar or blank screen several times. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Stay up to date
New Mac Operating System Big Sur
After installing macOS Big Sur, you will be notified when updates to macOS Big Sur are available. To check for updates, choose Apple menu > System Preferences, then click Software Update.