If your Mac is managed in the University Jamf instance, then you will have the Self Service app installed.
	- Click on the Self Service icon on your dock.  You can also press Command + Spacebar to open Spotlight and search for “Self Service”.
 Click on Open under the MacOS Update tile. Click on Open under the MacOS Update tile. 
- Follow the instructions in this Knowledge Base Article, starting with step 2: https://support.apple.com/en-us/108382