Related Inquiries:

How do I use Canvas and TurnItIn?

How do I add TurnItIn to an assignment?

There is a new method of using Turnitin with Canvas, and it is the LTI tool. See the Quick Start Guide to Configuring Your Assignment for TurnItIn. Need more help? Visit the Canvas Community for further details on how to use TurnItIn in Canvas. 

Here is some specific information for instructors:

See original article How do I use Canvas and TurnItIn?