macOS High Sierra

Your Mac. Elevated.

macOS High Sierra builds on everything your Mac can do today, while making way for what’s to come. It brings refinements to the features and apps that you use every day. And new technologies make it more reliable, capable, and responsive—and ready for future innovation. macOS High Sierra also refines the features and apps you use every day. It’s macOS at its highest level yet.
Apple MacOS High Sierra
Get a boost with new technologies.
macOS High Sierra introduces new core technologies that improve the most important functions of your Mac. From rearchitecting how it stores your data to improving the efficiency of video streaming to unleashing the full power of your graphics processor, it’s all central to today’s Mac experience.
Your favorite apps and features get a boost, too.
Navigate, organize, and edit your photos like never before with new features in the Photos app. Tailor your web browsing experience in Safari. Find what you’re looking for even faster in your Mail inbox. macOS High Sierra makes a great experience even greater.

What’s New in macOS High Sierra?

Photos
Photos
Organize your library using an enhanced sidebar, selection counter, and filtering. Discover new types of Memories and access improved People and Imports. Edit with new tools like Curves, Selective Color, and Live Photo Effects. And create third-party photo projects from your library.
Mail
Mail
When you search, new Top Hits display the most relevant results. And with full-screen, you can compose a message on the right and still see your existing mail on the left.
Safari
Safari
Enjoy an even better experience online. Safari now prevents advertisers from tracking you across websites with Intelligent Tracking Prevention, and blocks media with audio from autoplaying. You can also configure websites to your preferences, like always using Reader where available.
Siri
Siri
Siri sounds even better with a more natural voice. And with Apple Music, Siri helps you find new music and control what’s playing. Try “Play some music I like,” “Play more like this,” and more.
Spotlight
Spotlight
Check your flight status with Spotlight and get current departure and arrival times, delays, terminals and gates, and even a flight map.
Notes
Notes
Add simple tables right into your notes. And pin notes to the top so you can find them easily.
FaceTime
FaceTime
Capture special moments by taking a Live Photo during a FaceTime call.
iCloud File Sharing
iCloud File Sharing
Share files of any kind directly from iCloud with a link. Everyone works on the same file, so it’s always up to date—no need to compile edits.
Family Sharing
Family Sharing
Now you can share an iCloud storage plan with your family so you don’t need individual plans.
Apple File System
Apple File System
Apple File System is an advanced architecture for managing storage on Mac, featuring better security, reliability, and responsiveness, all while laying the foundation for future technologies.
High Efficiency Video Coding (HEVC)
High Efficiency Video Coding (HEVC)
With rising popularity of 4K, HEVC, a new video compression technology, comes to Mac. Get up to 40 percent better compression than H.264 for smaller files and a better streaming experience.
Metal 2
Metal 2
Metal 2 in macOS makes building Metal-powered apps easier, while delivering even better performance and accelerating new kinds of apps like machine learning and virtual reality.
Virtual reality support
Virtual reality support
Developers can create virtual reality experiences on Mac for the first time using select 2017 iMac models or any Thunderbolt 3-equipped Mac paired with a supported external GPU.
Compatibility: MacBook (Late 2009 or later), iMac (Late 2009 or later), MacBook Air (2010 or later), MacBook Pro (2010 or later), Mac mini (2010 or later), Mac Pro (2010 or later)
Availability: Free download from the Mac App Store