At first log in to Moodle.
You must enrol to course before you can submit your paper to Turnitin assignment. Click on the wheel-icon in the upper right corner and choose "Enrol me in this course"
You can submit your work to the Turnitin-plagiarism detection program. You can resubmit your work several times. After 3 resubmissionss , reports generate after 24 hours.