Upgrade From Mountain Lion To Mojave

  
  1. Upgrade From Mountain Lion To Mojave
  2. Can I Update From Mountain Lion To Mojave
  3. Can You Upgrade From Mountain Lion To Mojave

Upgrade to macOS Big Sur

OS X Mountain Lion (version 10.8) is the ninth major release of macOS, Apple Inc.' S desktop and server operating system for Macintosh computers. OS X Mountain Lion was released on July 25, 2012 for purchase and download through Apple's Mac App Store, as part of a switch to releasing OS X versions online and every year, rather than every two years or so. OS X 10.8 Mountain Lion is Apple's latest operating system for Mac. It brings OS X much closer to iOS in terms of features and syncing with iPads and iPhones. We've already given you a lowdown on the most important changes in Mountain Lion most of which are features taken from iOS. MacOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Apple OS X Mavericks was first announced in June 2013 and was then released in October of 2013. It was the tenth big release of the Apple OS X line. At the same time, Mavericks was promoted and marketed as a major release just as was the case with the Lion and Mountain Lion OS X updates which came before the Mavericks. 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 Sur Go to the App Store.

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.

Bobcat

Answer: OP: Should I upgrade my MacBook Pro late 2013 to Big Sur from Mojave? There are widespread reports of Big Sur upgrades completely disabling late 2013 MacBook Pros. If you’re using Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first before you could upgrade to macOS Catalina. Begin installation. Once the download is completed, the installer will open automatically. Simply click Continue and follow the onscreen instructions.

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

Upgrade From Mountain Lion To Mojave

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.

Mountain lion vs cougarUse 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

Have a question?

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

Ask now

Tell us how we can help

Lion

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

Get support

How Do I Upgrade From Mountain Lion To Mavericks

To get the latest features and maintain the security, stability, compatibility and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.

Upgrade

Learn how to upgrade to macOS Big Sur, the latest version of macOS.

Check compatibility

If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that it's too old to be opened on this version of macOS, or that your Mac doesn't have enough free storage space for the installation.

To confirm compatibility before downloading, check the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan or Yosemite. You can also find compatibility information on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini or Mac Pro.

Make a backup

Mountain Lion To Mavericks

Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.

Download macOS

It takes time to download and install macOS, so make sure you're plugged into AC power and have a reliable internet connection.

Safari uses these links to find the old installers in the App Store. After downloading from the App Store, the installer opens automatically.

  • macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite or Mavericks
  • macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion
  • macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion

Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to start installing the operating system.

  • macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion or Lion
  • OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion or Snow Leopard
  • OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion or Snow Leopard

Install macOS

Follow the onscreen instructions in the installer. It might be easiest to start the installation in the evening so that it can be completed overnight, if needed.

If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.

Please allow the installation to be completed without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar or show a blank screen several times while it installs macOS and related firmware updates.

Upgrade Mac Mountain Lion To Maverick

Upgrade From Mountain Lion To Mojave

Learn more

Can I Update From Mountain Lion To Mojave

Update From Mountain Lion To Mavericks

Can You Upgrade From Mountain Lion To Mojave

You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS or install the macOS that came with your Mac.