The order of modules in a Course can be changed at any time by following these steps:
1. Click on "Courses" on the left navigation and find the course for which you would like to change the order of the included modules.
2. After you find and select the course go to the "Modules" tab and then click on the "Change Module Order" button.
3. On the next screen click on the arrows and hold to drag the modules in the order that you would like them arranged. Click "Save" to go back.