There are two product that Respondus has for assisting with the effective delivery of exams, Lockdown Browser & Respondus Monitor.
https://web.respondus.com/he/lockdownbrowser/resources/ - here you will find student and instructor quickstart guides as well as resources for effectively using the Lockdown Browser to assist the delivery of your exams.
https://web.respondus.com/he/monitor/resources/ - quickstart guides and more information about he technical setup of Respondus Monitor.