Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Is this an organization version (business or enterprise) that you are trying to install? You need to ask the IT support at your college to find out which credentials to use and how to access the download portal.
Often, you sign in with your work credentials (work e-mail and password) at https://portal.office.com or something similar and proceed with the install from there.
Note that you typically can't install an organization (education) version using a personal Microsoft account.