How to Update macOS

Keeping macOS up to date helps protect your Mac from security threats, improves system performance, and provides access to the latest Apple features and enhancements.

Apple regularly releases updates that improve stability, fix bugs, and address security vulnerabilities. Installing these updates helps ensure your Mac continues to run smoothly and securely.

Why macOS Updates Matter

Installing macOS updates can help:

  • Improve system security
  • Fix software bugs and performance issues
  • Add new features and enhancements
  • Improve compatibility with applications and hardware
  • Keep your Mac running reliably


Regular updates are one of the easiest ways to maintain the health and security of your Mac.

Check for macOS Updates

To manually check for updates:

  1. Click the Apple menu.
  2. Select System Settings (or System Preferences on older versions of macOS).
  3. Select General.
  4. Click Software Update.
  5. If an update is available, select Update Now or Upgrade Now.
  6. Follow the on-screen instructions to complete the installation.
  7. Restart your Mac if prompted.


Some updates may take several minutes to install depending on their size.

Enable Automatic Updates

To help keep your Mac secure, enable automatic updates whenever possible.

  1. Open System Settings.
  2. Select General.
  3. Click Software Update.
  4. Enable Automatic Updates.


Your Mac will automatically check for available updates and install important security updates when appropriate.

If Your Mac Won’t Update

If you’re unable to install a macOS update, try the following:

  • Restart your Mac.
  • Verify you have a stable internet connection.
  • Ensure you have enough available storage space.
  • Try installing the update again.
  • Remove any unnecessary files if storage is low.


If update problems continue, additional troubleshooting may be required.

Need Help?

If your Mac is unable to install updates, is experiencing errors during the update process, or is having performance issues after an update, GZM Enterprises can help.

Our IT support services can diagnose macOS update problems, resolve installation issues, and help keep your Mac secure, reliable, and performing at its best.