Changing address is done via MyHU.
Log in with you HU email address and password.
To update your address you click on your profile icon (top right corner) and select "My profile and settings" --> Contact information. It will take a couple days for the Records & Registration Office to process the change. If this is not updated in a few days please raise a support ticket at https://reghelp.harrisburgu.edu/support/tickets/new .