Turnitin is being upgraded to Turnitin Feedback Studio for the Winter 2017 semester. This new version provides the same functionality, but uses an updated look and feel. Once you open the Originality Report you will see two tool bars on the right hand side. The blue one contains the GradeMark functionality and the red one contains the Originality Report functionality. There is also an option to return to the Turnitin Classic View.
More information on the use of Turnitin at uWaterloo, is available on the LEARN Help web site.