"license" for a university

Dear R People:

I am trying to install R in a classroom here, but have been told that
there must be a license.

Is there such a thing with R, please?  Since it is free, I "assumed"
that there would be no license.

Thanks for any help,
Sincerely,
Erin

Erin Hodgess
Associate Professor
Department of Computer and Mathematical Sciences
University of Houston - Downtown
mailto: erinm.hodgess at gmail.com