Upgrade From Mountain Lion

Upgrade to macOS Big Sur

  1. Upgrade From Mountain Lion To Mavericks
  2. Upgrade From Mountain Lion To Sierra
  3. Upgrade From Mountain Lion To El Capitan

Safari automatically keeps an eye out for any saved passwords that may have been involved in a data breach. Using advanced cryptographic techniques, Safari periodically checks a derivation of your passwords against an updated list of compromised credentials. If a breach is discovered, Safari helps you upgrade your existing passwords. How To: Upgrade to Mountain Lion from Leopard (OS X 10.5 to 10.8) How To: Reformat Mac OS X Without a Recovery Disc or Drive How To: Install an Off-the-Shelf Hard Drive in an Xbox 360 (Get 10x the GB for Your Money).

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

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 from mountain lion

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

Upgrade From Mountain Lion To Mavericks

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.

Dvd

Learn how to edit your photos

Have a question?

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

Ask now

Upgrade From Mountain Lion To Sierra

Tell us how we can help

Answer a few questions and we'll help you find a solution.

Get support

Note:

To help ensure you get the latest and greatest tools, Creative Cloud is now the only option for purchasing Adobe creative software. For more information, visit the Adobe Creative Cloud page.

Express your wildest ideas at lightning speed with Adobe® Creative Suite® 6 Design Standard software. Work blazingly fast on complex files in Adobe Photoshop® and Illustrator®. Use familiar tools in Adobe InDesign® for greater control and efficiency for page layout and preparation for high-quality print production. Go beyond print to craft media-rich publications for iPad and other tablet devices.

Adobe® Creative Suite® 6 Design Standard software includes:

Take your designs further with Adobe® Creative Suite® 6 Design & Web Premium software. Produce beautiful digital images with industry-standard Adobe Photoshop® CS6 Extended, craft sophisticated vector graphics that scale across media with Adobe Illustrator® CS6, and capture inspiration virtually anywhere with convenient Adobe Touch Apps for your iPad or Android™ tablet.

Adobe® Creative Suite® 6 Design & Web Premium software includes:

Work with tools in Adobe® Creative Suite® 6 Production Premium software that keep pace with your imagination. Global Performance Cache dramatically improves the Adobe After Effects® workflow. The Adobe Mercury Playback Engine becomes even more powerful with support for OpenCL and NVIDIA® Maximus™ configurations in Adobe Premiere® Pro.

Mountain

Adobe® Creative Suite® 6 Production Premium software includes:

Tackle any creative challenge with Adobe® Creative Suite® 6 Master Collection software. Explore groundbreaking ways to design for tablets and smartphones, speed up image editing, enhance high-end motion, and deliver stunning experiences. Express your vision without bounds thanks to the ultimate design environment.

Upgrade From Mountain Lion To El Capitan

Adobe® Creative Suite® 6 Master Collection software includes: