Click on Content Manager from the Common Tasks portlet on the homepage.
Alternatively, navigate to the Menu and click on Content Manager.
Search for the name of the eCreator course by typing it into the Search box and clicking on the magnifying glass or pressing enter on your keyboard. 
Alternatively, or in addition to searching (if searching returns a large number of results), click on the eCreator Activity Type on the left.
Click on the name of the eCreator course once you have found it.
You will be taken to the administration area of the course and the Common Tasks area will be displayed by default.
This area allows you easy access to commonly performed tasks, such registering new users or previewing the course.