Your Question: How Do I Reinstall macOS High Sierra?
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Can I reinstall High Sierra?

Hold down Option-Command-R as you turn on or restart your Mac. Release the keys when a spinning globe appears. This will boot the latest version of Recovery Mode over the Internet, which will offer to install macOS High Sierra.

How do I reinstall macOS High Sierra without losing data?

How to Update & Reinstall macOS Without Losing Data

  1. Start up your Mac from macOS Recovery. …
  2. Select “Reinstall macOS” from the Utilities Window and click “Continue”.
  3. Follow the onscreen instructions to select the hard drive you want to install the OS on and start the installation.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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