In the next four years, the OS X names were used. Mac OS X was the official naming through version 10.7, from 2001 to 2011. In fact, three terms were used at different times with reference to Apple’s operating system: Mac OS X, OS X, and macOS. No, they are essentially the same thing - just named differently. ✕ Is there any difference between Mac OS X and macOS? In this article, we guide you through the evolution of Apple’s operating system, from the first public release in 2001 to the latest macOS Sonoma released on September 26, 2023.Ĭongrats, you are in! The ribbons are tied, stamps glued, and Setapp newsletter is on its way. As Apple grew and strengthened the ecosystem through the years, macOS operating system version history evolved too. MacOS is the operating system designed to run on Apple laptops and desktop computers.

Mac OS X 10.6 Snow Leopard, August 28, 2009.

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. 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. Follow the onscreen installation instructions.Ī 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.

Open your Applications folder and double-click the macOS installer, named Install. pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder. dmg file to open it and see the package (.pkg) file within.ĭouble-click the. If these links don't work as expected, try again using Safari, which is in your Applications folder.ĭouble-click the. Use these links to download a macOS disk image (.dmg) file. To get the installer from the disk image, you must use a Mac that is compatible with that macOS. These older macOS versions are available as disk images that you can download using your web browser. Or quit without installing to leave the installer in your Applications folder for later use. Follow the onscreen installation instructions.

Software Update might open and ask you to download from there.Īfter downloading to your Applications folder, the installer opens automatically. If these links don't work as expected, try again using Safari, which is in your Applications folder.Ĭlick the Get button in the App Store to begin downloading. Use these links to find macOS in the App Store. 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. To download macOS from the App Store, you must download from a Mac that is compatible with that macOS. How to reinstall macOS from macOS Recovery Use the App Store 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 update macOS using Software Update Use macOS Recovery If Software Update says that your Mac is up to date, then no new software is currently available for your Mac model. Software Update shows only software that is compatible with your Mac. 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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