If your instructor has allowed it, and the due date has not yet passed, you can resubmit your Turnitin assignment.
Your first three submissions (this means your initial submission and two re-submissions) will generate similarity reports immediately, if your instructors have set up the assignment to generate reports immediately. After this, every subsequent resubmission will take 24 hours to generate a similarity report. This is an intentional feature of the tool, and we cannot change it.
Step 1: Go to your assignment submission point.
Step 2: If it is before the due date, you can check the assignment setting by click on on the drop-down arrow next to the assignment title.
Look in the Additional Settings area for information on late submissions.
Step 3: If this is allowed, use the Upload icon to upload a new file. You can find this icon next to the Download icon, and it will look like an arrow pointing up out of a box. (If it is not allowed, or the due date has passed, you'll see the upload icon greyed out.
Step 4: Follow the instructions to upload a new file, this will be the same process you used to submit your first file.