Many universities globally own site licenses. If you are a student or employee at a covered institution, you can typically use the software on your personal or lab computer for free during your tenure. How to check: CasaXPS License List to see if your university is included. How to get the key:

: If your university has a site license, any current student or employee can license their personal PC for the duration of their tenure.

An agreement that allows anyone at a specific institution (faculty, staff, or students) to install and use CasaXPS on their personal or lab computers. How to check: