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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.

  • Apple File System. Your data is under new management. Your documents. Your photos. Your mail. Your apps. To your Mac, everything you care about is data. And a file system is what organizes all that data into files and folders you can access with a click. Our current file system was designed in

What's New

Version 10.13.3:

Note: Combo and delta updates are available in Related Links, as is the update specific to the new iMac Pro.

  • Addresses an issue that could cause Messages conversations to temporarily be listed out of order
  • Security updates:
    • Audio
      Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6
      Impact: Processing a maliciously


  • OS X 10.8 or later

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macOS High Sierra User Discussion

3.4 31


Current Version (10.x)


Downloads 4,577
Version Downloads 1,829
License Free
Date 23 Jan 2018
Platform Intel 64 / OS X / Intel 32
Price Free
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