1. With Simplylearn 3.0 you can password protect your courses with an enrollment code. To do this, you need to make sure you have selected the "free" access mode. 
    1. Navigate to SIMPLYLEARN > Courses > Click on the course you want to edit. 
    2. In the sidebar, scroll down until you find "Enrollment Code" and type in the code you want.
    3. In the upper tabs go to «Settings», scroll down to "course access mode". Make sure "free" is selected.
    4. Send out the registration code to your course participants.