Before installing the update, you should back up the data on your Mac. The update is available in the App Store app, in the Updates section. If you don’t see it, press Command-R on your keyboard to refresh the list. You Mac will need to restart to finish the installation.
What’s in macOS High Sierra 10.13.2
This update is filled with fixes and has no new features. According to the release notes, the update:
- Improves compatibility with certain third-party USB audio devices.
- Improves VoiceOver navigation when viewing PDF documents in Preview.
- Improves compatibility of Braille displays with Mail.
There are also several enterprise-related fixes and several security enhancements.
Apple last week released a special security update that fixed the
root login flaw. If you have not installed that update yet, it may appear in your Updates list for the App Store.