ArcGIS Pro uses a Named User license that is tied to a user's Lehigh credentials. The steps for logging into ArcGIS Pro are the same whether using the software on LUapps, a university computer lab, or a personal computer.
1. When ArcGIS Pro starts, click on Enterprise login, enter "lu", check the box next to "Remember this URL", and click Continue.
2. Click Lehigh University.
3. Enter your Lehigh credentials, and second factor authentication, if needed.