New technologies at the heart of the system make your Mac more reliable, capable and responsive — and lay the foundation for future innovations. macOS High Sierra also refines the features and apps you use every day. It’s macOS at its highest level yet.

Easily organise, edit and view your photos in Photos.
Improve your browsing experience with Safari. r-site settings for Reader, page zoom, content blockers and more.
Enjoy refinements in Mail.
Look up flight information in Spotlight.
Collect your thoughts with Notes.
Capture a moment in FaceTime.
Get music suggestions from a more natural-sounding Siri.
Copy and paste files from one Mac to another with Universal Clipboard.
Safely store your family data in iCloud.
Work together with iCloud Drive.
Upgrade the performance, reliability and security of your Mac with the new Apple File System.
Step up to the new standard for 4K video: HEVC.
Enjoy next-generation graphics and computation with Metal 2.on machine learning functions.
Some features may not be available in all regions or all languages. Some features require an iCloud storage plan. Some features have hardware requirements. Apple File System requires all-flash internal storage.

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