How can a non-degree student request an enrollment appointment?  

https://www.umass.edu/uww/resources/requesting-an-enrollment-appt-in-spire

How can I register as a non-degree student?  

https://www.umass.edu/universityplus/resources/how-to-enroll-as-a-non-degree-student

Where can I find the refund policy?  

https://www.umass.edu/uww/resources/refund-policy