Self Service Upgrade to macOS 10.13 High Sierra

1. Make sure your computer is plugged into power and you have about an hour available, like near the end of your work day or over the weekend.

2. Open the application called "Self Service" in your Applications folder.

3. Select Upgrade under the Upgrade to macOS High Sierra icon

4. The upgrade process will begin and your computer will restart, you may need to login halfway through to complete the process