To create a course from scratch click on the add new course button. When you press this button you'll get a Create Course form. Fill out this form and click the Create Course + button to complete the creation of a single course.
To approve a course via a course request, first navigate to the main navigation bar, and click on course requests. From there, you can inspect the evaluator's submitted settings, and choose to allow the course's creation, or contact the evaluator with concerns.