Using the Student View
You can view your course exactly as it appears to students. This is called Student View.
You can do anything your students can do in your course. These changes are not recordeed in the course. For example, if you submit an assignment, this doesn't appear any longer after you exit student view.
Choose Settings > Student View (on right panel)
or use the detailed steps below.
Using Student View (step-by-step)
That's all there is to using Student View in Canvas.