Go to http://turnitin.com/self-service/support-wizard.html.
Choose Instructor (if you are staff) or Student from the How do you use Turnitin? drop-down list.
Choose the most appropriate option for I need help with...
Choose the most appropriate option for Just a little more information.
Click Find Answer.
Depending on your responses, you may be presented a solution.
If the answer is of assistance, click Problem Solved.
If the answer is of no help, click Raise a Ticket.
Fill in the fields.
If you used Turnitin via IVLE:
Click Send Ticket.