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).
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. 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.
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.
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