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Upgrade to macOS Big Sur

Before installing this upgrade, make sure that your Mac is ready.

A Mac tutorial for beginners and PC users showing how to switch from Windows to macOS. This tutorial covers all of the basics of using macOS including the f. The first release of the new OS — Mac OS X Server 1.0 — used a modified version of the Mac OS GUI, but all client versions starting with Mac OS X Developer Preview 3 used a new theme known as Aqua. Aqua was a substantial departure from the Mac OS 9 interface, which had evolved with little change from that of the original Macintosh operating. Apr 06, 2021 If you use Option-Command-R during startup, in most cases you're offered the latest macOS that is compatible with your Mac. Otherwise you're offered the macOS that came with your Mac, or the closest version still available. If the Mac logic board was just replaced, you may be offered only the latest macOS that is compatible with your Mac.

Check compatibility

macOS Big Sur supports most Mac models introduced in 2013 and later.

View compatible Mac models

Make a backup

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Before you upgrade, make a complete backup with Time Machine, or store your files in iCloud.

Learn how to back up your Mac

Free up space

If the installer needs more storage space to upgrade, you can free up space using tools that come with your Mac.

Free up storage space

Download macOS Big Sur

If you’re using macOS Mojave or later, choose Apple menu  > System Preferences, then click Software Update. If you’re using an earlier macOS, use the App Store instead.

Learn how to download and install macOS Big SurGo to the App Store

Get to know macOS Big Sur

Learn about some of the new features of macOS Big Sur.

Control Center

Control Center brings favorite controls such as Bluetooth, Wi-Fi, Do Not Disturb, and Sound together in a single place—so you can easily adjust them at any time.

Use Control Center

Notification Center

Notification Center puts notifications and>

Safari

Customize your start page, navigate with ease using the new tab bar, and access a new privacy report to see just how Safari protects your privacy as you browse.

Get to know Safari

Maps

Discover great places around the world and navigate easier with guides, cycling directions, indoor maps, Look Around, electric vehicle routing, and more.

Messages

Send messages to friends and family using new tools that make it easier to keep track of group conversations and give you fun, engaging ways to express yourself.

Use MessagesLearn more on YouTube

Photos

Mac

Use the expanded editing capabilities in Photos to easily make simple changes and more advanced adjustments to your photos.

Learn how to edit your photos

Have a question?

Ask everyone. Our Apple Support Community can help you find answers.

Ask now

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Shop online and get Specialist help, free no-contact delivery, and more. Shop with a Specialist, get credit with Apple Trade In, choose free delivery or pickup, and more at the Apple Store Online. Shop with a Specialist, get credit with Apple Trade In, choose free delivery or pickup, and more at the Apple Store Online.

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