• Mac OS X Snow Leopard enhances your experience by boasting some refinements to the core OS. However, this upgrade isn’t all about the designed-based gains. The fixes relating compatibility, stability and security are evident as they include fixing an issue that may cause “Preview” to suddenly desist, and addressed the Safari’s crashing.
• Learn how to set up and use macOS. Find all the topics, resources, and contact options you need for macOS.

Upgrade to macOS Big Sur

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

Upgrade From Snow Leopard To El Capitan

The Snow Leopard single user license will be available for a suggested retail price of $29 (US) (emphasis added) However, even if the retail edition of Snow Leopard is in fact a 'Leopard Upgrade', the company has acknowledged that there is no technical barrier in that edition preventing a direct upgrade from Mac OS X 'Tiger'. OS X El Capitan review: Mac upgrade that’s as solid as a rock. El Capitan, OS X 10.11. You don’t need to do interim upgrades—you can go straight to El Capitan from Snow Leopard or later. MacOS Big Sur elevates Mac to a new level of power and beauty with a refined new design, major app updates, and more transparency around your privacy.

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

Upgrade Mac From Snow Leopard To El Capitan

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

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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