Brenau's AutoCAD license is network based so it will only work when you are on the Brenau campus.
If you have a Brenau-owned laptop, you will need to check out a license from the network. The steps for doing so are at this site:
http://knowledge.autodesk.com/search-result/caas/CloudHelp/cloudhelp/2015/ENU/Autodesk-Licensing/files/GUID-8E8EDE61-003E-4B7F-B3E7-8D980E409A74-htm.htmlThe license should be free if you want to install on your PERSONAL computer:
http://www.autodesk.com/education/free-software/academic-resource-center
If you need support, AutoCAD/Revit support can be reached here: