Your DRM username and password should have been sent to you in an email when you received your course materials. Please try searching for the email named "Nokia Learning Services - Courseware Access Granted" or the course name in all email folders to retrieve this email, along with your username and password.
Currently, you are unable to change your DRM password. If you did not receive the email, have lost the email or feel your password needs to be changed, please contact learning.services@nokia.com.