As suggested by its name, High Sierra is positioned as a refinement of last year’s Sierra release.įor High Sierra, there is a lot of under-the-hood work and introduction of new core technologies that don’t necessarily correspond to major user functionality today, but offer performance improvements today and lay the groundwork for larger changes in the future. High Sierra is relatively light on front-facing user features. Download the installer to start the update process. To update now, go to the Mac App Store and find High Sierra in the App Store. This means that all Macs introduced in mid 2010 or later can upgrade to High Sierra as well as 2009 MacBook and iMac models. The build number is 17A365, a slight increase from the last GM seed, which was build 17A3262. MacOS 10.13 is a free update for Mac owners and is compatible with all Mac desktops and laptops that can run macOS Sierra (10.12). Read on for a walkthrough of what’s new in macOS 10.13 …

High Sierra includes the brand new Apple File System for Macs with SSDs, significant updates to the Photos app’s interface and editing tools, Safari 11, iCloud file sharing, various under-the-hood architecture improvements and more. This rounds out the big Apple software releases for 2017 after iOS 11, tvOS 11 and watchOS 4 launched last week. Apple has just released this year’s major update to its desktop operating system, macOS High Sierra.

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