Way back in October 2009, OS X 10.6 Snow Leopard was delivered via DVD and cost £25 in the UK when launched. In this tutorial, I'll show you what you will need to do to ensure that a Mac is ready for upgrade, from macOS 10.12 Sierra, or earlier, to macOS 10.13 High Sierra following its release on 25th September 2017.īelow is listed the comparative upgrade costs for previous versions of OS X and the recent versions of Microsoft Windows. Following on from OS X 10.9 Mavericks, 10.10 Yosemite, 10.11 El Capitan and macOS 10.12 Sierra, it continues with the new naming convention of locations in California. This is the fifth in a departure from the previous naming of operating systems after big cats, and the second since the operating system was renamed from OS X to macOS.

Make sure to install updates as soon as possible when prompted to do so.Apple announced High Sierra the latest version of it’s macOS operating system, numbered 10.13, was announced on 5th June 2017 at Apple's Worldwide Developer Conference (WWDC).

Because many updates require restarting your computer to complete the process, the install prompt gives you the chance to close any applications you have running before you begin installing the updates.

Your computer will check for critical updates in the background and, if any are available, download them automatically to your computer.

Install system data files and security updates

Go to System Preferences then select App Store.ĭownload newly available updates in the background.

To make sure you keep up-to-date with operating system updates, set Software Update to automatically check for and prompt you to install new critical updates. Keep Up-to-Date with Automatic Software Update

macOS High Sierra 10.13 - Currently supported by Apple only.įrom your Mac desktop, click the Apple icon in the top left corner of the screen, select App Store, then click Updates.

macOS Sierra 10.12 - Currently supported at Amherst College and by Apple.

OS X 10.11 El Capitan - We recommend you upgrade to the latest supported.OS X 10.10 Yosemite - We recommend you upgrade to the latest supported.OS X 10.9 Mavericks - We recommend you upgrade to the latest supported.OS X 10.8.x Mountain Lion - We recommend you upgrade to the latest supported.

OS X 10.7.x Lion - Apple no longer supports this OS, upgrade to the latest supported.Just under OS X it will indicate what version you have. To check what version of OS X your Mac has, on your Mac desktop click the Apple icon in the top left corner of the screen then select About This Mac.Check if your Operating System is Current

Update mac os el capitan to high sierra