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  1. Dec 6, 2017 · The macOS High Sierra 10.13.2 update improves the stability, compatibility and security of your Mac, and is recommended for all users. This update: Improves compatibility with certain third-party USB audio devices. Improves VoiceOver navigation when viewing PDF documents in Preview.

  2. Jan 23, 2018 · The macOS High Sierra 10.13.3 Update improves the stability and security of your Mac and is recommended for all users. This update: See Apple Security Updates for detailed information about the security content of this update. Learn how to get this macOS update.

    • Overview
    • Before you begin
    • Use Software Update
    • If you don't see Software Update
    • What are updates and upgrades?
    • Which Mac models are compatible?
    • Learn more

    Use Software Update to install updates and upgrades for macOS and its built-in apps, including Safari.

    •Before installing new software, it's a good idea to back up your Mac.

    •Make sure that your Mac is connected to the internet. You should be able to access websites or receive email, for example.

    1.Open Software Update:

    •From the Apple menu  in the corner of your screen, choose System Settings. Click General in the sidebar of the window that opens, then click Software Update on the right.

    •If you don't have System Settings in the Apple menu , choose System Preferences instead. Then click Software Update in the window that opens.

    •Don't see Software Update?

    2.Software Update then automatically begins checking for new software.

    •If new software is available for your Mac, click the button to Update or Upgrade. What's the difference?

    •If you don't see an item named Software Update in the System Settings (or System Preferences) window, click the Spotlight icon in the upper-right corner of your screen, then type Software Update in the search field. If Software Update is found, you can open it from the search results.

    •If your older Mac doesn't include Software Update, use the App Store instead. It's in your Applications folder. Click the Updates tab in the App Store to check for updates, or search for the software by name.

    •An update is a newer version of the currently installed macOS, such as an update from macOS Ventura 13.5 to macOS Ventura 13.6.

    •An upgrade is a major new version of macOS with new name, such as an upgrade from macOS Ventura to macOS Sonoma.

    •If your Mac doesn't have enough storage space to install

    •If an error occurs while downloading or installing

    •If your Mac doesn't start up all the way

    •Learn more about updating Safari

    •If you want to update your iPhone or iPad

    Helpful?

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  4. macOS High Sierra 10.13.0 and 10.13.1 have a critical vulnerability that allowed an attacker to become a root user by entering "root" as a username, and not entering a password, when logging in. This was fixed in the Security Update 2017-001 for macOS High Sierra v10.13.1.

    Version
    Build
    Date
    Darwin Version
    10.13
    17A365
    September 25, 2017
    17.0.0
    10.13
    17A405
    October 5, 2017
    17.0.0
    10.13.1
    17B48
    October 31, 2017
    17.2.0
    10.13.1
    17B1002
    November 29, 2017
    17.2.0
    • September 25, 2017; 6 years ago
  5. Feb 1, 2023 · Feb 1, 2023, 2:50 PM PST. There are a few ways, and a lot of reasons, to update your Mac. Alexander Johnson/Business Insider. To update your Mac, go to System Preferences or About This...

    Version
    Build
    Date
    Darwin Version
    10.13
    17A365
    September 25, 2017
    17.0.0
    10.13
    17A405
    October 5, 2017
    17.0.0
    10.13.1
    17B48
    October 31, 2017
    17.2.0
    10.13.1
    17B1002
    November 29, 2017
    17.2.0
  6. Download macOS High Sierra for macOS 10.8 or later and enjoy it on your Mac. ‎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.

  7. Apr 11, 2018 · High Sierra is mostly an under-the-hood upgrade that sets the Mac up for the future. There are cool features in Photos and Notes, and Safari 11 has controls for autoplay videos. Read our review to ...

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