The CS Student Center is open from 8am until 11pm every day. Students are free to use the equipment in the center whenever it is open.
Teaching Assistants and Student Lab Instructors hold office hours in the Student Center. The schedule may be found here
In addition to all of the usual support services RIT and the CS department offer, the CS theory faculty are offering their own tutoring service, featuring very qualified CS students. The tutoring takes place in the CS student center (70-3660). More info and tutoring schedule can be found here.
In lab you can get help from the lab assistants on duty. They will be found in 3650 (Graduate Lab) or 3560 (Capstone Lab)
Help for common issues can be found here.