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Close any open applications and save all your work. Connect your laptop to power.
This will upgrade your computer's operating system and will automatically reboot your computer. It will take 30-45 minutes to complete, during which time you will be unable to use the computer.
| Step | What to Do | What It Looks Like |
|---|---|---|
| 1 | Close any open applications and save all your work. Connect your laptop to power. | |
| 2 | Open the Self Service application. | How to Use the Self Service Application on a Mac |
| 23 | Find the "Install macOS" application and click "Install" You will see either High Sierra or Mojave depending on which is compatible with your computer. |
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| 34 | The installation will begin and take several minutes to prepare your computer. |
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| 45 | Your computer will reboot to complete the installation. |
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