In your course site, click the drop down arrow next to your user profile in the top right corner of the course.
In the drop down menu, select the Switch role to option. This will take you to a new screen which will give you a number of roles to select from
Click the top option, Student.
You will now be switched to the student role and be looking at your course from a student view.
To return to your normal role. Click the dropdown arrow next to your profile and select the Return to my normal role option at the bottom of the drop down list.