How to download and install macOS

Download and install current or previous versions of the Mac operating system on compatible Mac computers.

Use Software Update

Software Update is the fastest and easiest way to get macOS updates and upgrades, and it can use less storage space to download and install them.

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Software Update shows only software that is compatible with your Mac. If Software Update says that your Mac is up to date, then no new software is currently available for your Mac model.

How to update macOS using Software Update

Use macOS Recovery

If you want to reinstall macOS, or your Mac doesn’t start up all the way because it doesn’t have a working operating system, you can use the built-in Recovery system to reinstall macOS.

How to reinstall macOS from macOS Recovery

Use the App Store

To download macOS from the App Store, you must download from a Mac that is compatible with that macOS. If your Mac isn’t compatible, the App Store dims the Get button, says that the macOS is not compatible with this device, or says that the requested version of macOS is not available.

1. Use these links to find macOS in the App Store. If these links don’t work as expected, try again using Safari, which is in your Applications folder.

   • Sonoma 14

   • Ventura 13

   • Monterey 12

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     Big Sur 11

   • Catalina 10.15

   • Mojave 10.14

   • High Sierra 10.13

2. Click the Get button in the App Store to begin downloading. Software Update might open and ask you to download from there.

3. After downloading to your Applications folder, the installer opens automatically. Follow the onscreen installation instructions. Or quit without installing to leave the installer in your Applications folder for later use.

Use a web browser for older versions

These older macOS versions are available as disk images that you can download using your web browser. To get the installer from the disk image, you must use a Mac that is compatible with that macOS.

1. Use these links to download a macOS disk image (.dmg) file. If these links don’t work as expected, try again using Safari, which is in your Applications folder.

   • Sierra 10.12

   • El Capitan 10.11

   • Yosemite 10.10

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     Mountain Lion 10.8

   • Lion 10.7

2. Double-click the .dmg file to open it and see the package (.pkg) file within.

3. Double-click the .pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder.

4. Open your Applications folder and double-click the macOS installer, named Install [Version Name]. Follow the onscreen installation instructions.

Use a bootable installer

A bootable installer can be useful if you want to install macOS on multiple computers without downloading the installer each time, or when you can’t install using macOS Recovery or the other methods.

To download an installer suitable for creating a bootable installer, use the App Store or use a web browser to download from a compatible Mac. The Mac must also be using macOS High Sierra or later, the latest version of macOS Sierra, or the latest version of OS X El Capitan.

How to create a bootable installer for macOS

If you need help

If an error occurred while updating or installing macOS

If you need more storage space to download or install

If your Mac doesn’t start up all the way

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