macOS

How do I update macOS safely?

Updated 2026-08-14

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Quick answer

To update macOS safely, back up your data using Time Machine, then navigate to System Preferences > Software Update to install the latest version.

This guide provides steps to safely update your macOS while ensuring your data is backed up.

Steps

  1. 1

    Open Time Machine

    Click on the Time Machine icon in the menu bar and select 'Back Up Now' to create a backup.

  2. 2

    Check for Updates

    Go to System Preferences > Software Update to see if any updates are available.

  3. 3

    Install Updates

    If updates are available, click 'Update Now' and follow the on-screen instructions to complete the installation.

  4. 4

    Restart Your Mac

    After installation, restart your Mac to ensure all changes take effect.

Backing Up Your Data

Before updating, it's crucial to back up your Mac. Use Time Machine or another backup solution to ensure your files are safe.

Updating macOS

After backing up, check for updates in System Preferences. Follow the prompts to download and install the latest macOS version.

Post-Update Checks

Once the update is complete, verify that your applications are functioning correctly and that your data is intact.

Watch out for

  • Ensure your Mac is compatible with the new macOS version before attempting to update.

FAQ

Can I update macOS without backing up?

While it's technically possible, it's highly discouraged as you risk losing data if something goes wrong during the update.

What if my Mac is not compatible with the latest macOS?

You can continue using your current version, but be aware that you may miss out on security updates and new features.

How long does a macOS update take?

The duration varies based on your internet speed and the size of the update, but it typically takes 30 minutes to a few hours.