If you have forgotten or misplaced your password, you can RESET YOUR PASSWORD. You must use the same email used during registration.
There may be several reasons for this. Please try the following:
LOG IN using the email address and password established during registration and click on "My Courses" in the upper right menu. Click on "View Certificate" next to the corresponding course. In the pop-up window with your certificate, click "Print" in the lower left corner.