There are few different ways how to run group of your cases.
You can group your cases to new folder in case explorer window select the folder and then press Run button in the top menu. Execution results you will see on Reports screen.
Another option is to create new Schedule on Schedules screen. Select cases you want to run on ‘cases to run’ tab. If you want to start schedule manually select run type: Ad-hoc.
For any clarification, please contact our Priority Support.