Respondus Lockdown Browser is installed in the Frey Hall Testing Center only. It is not installed in the SINC Sites (because web cameras are required and SINC Sites do not have web cameras) and it does not run on the Virtual SINC Site. 

Technical Requirements can be found here

If students do not a machine that meets the technical requirements, they can see if there are laptops available through the laptop loan program https://library.stonybrook.edu/services/access-services/laptop-loan-program/