Lesson 2. Update, Upgrade, or Reinstall macOS


Image Describe the differences between a macOS update, upgrade, and reinstallation

Image Describe the macOS Installer

Image Update macOS

Image Upgrade macOS

Image Reinstall macOS

Troubleshoot an upgrade or reinstallation

Get macOS Support Essentials 10.13 - Apple Pro Training Series: Supporting and Troubleshooting macOS High Sierra now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.