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Upgrade to macOS Big Sur

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

Every secondary creator that would be an upgrade Locked On Mavs Nick Angstadt and Isaac Harris break down the landscape of creators in the NBA and who they could possibly get at the trade. The Dallas Mavericks could be the perfect trade partner for the Pelicans ahead of the second half of the season in order to make a playoff push. Although the Mavs are in a better position than the Pels—they are currently eighth in the west after having improved in recent weeks—they still need something to get them over the hump.

Check compatibility

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

View compatible Mac models

Make a backup

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>

Upgrade To Mavericks

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

Upgrade To Mavericks

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 Messages

Upgrade To Mavericks From Lion

Learn more on YouTube

Upgrade To Mavericks 10.9

Photos

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

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