The University of Wyoming currently has an institution wide site license for Mathematica. This license is funded by the Central Student Technology committee and provides access to Mathematica and Wolfram Alpha Pro to all students, faculty and staff at UW free of charge for class and research purposes.
This is available for faculty, staff, and students.
If you experience problems with downloading Mathematica, please click "Request Help" and provide as much detail as you can. If you are getting an error message please include that.