You need to create an account before taking a course. Click on the Menu Icon (Three horizontal lines) present on the top left of the Store Screen. From the opened menu, click on Login/Register button. Click on Sign Up. Enter your Email Id & Password to register for an account.
You need to create an account on the app to use the access codes. After Successful login, click on the Menu icon present on the top left of the Store Screen. From the opened menu, click on the My Courses Button. On the opened screen, click on the Gift Icon present on the Top Right of the Screen. Enter your Access Code here. Respective Courses will be added to your My Courses section.
After you have purchased the Course or used the access code of the course, the course would be added to your My Course Section. Click on the Course image to start the course.
Please check whether you are using the same email, which was used for purchasing/using the access code. Check for the course in your My Course section. If the course is still not available, please drop an email to firstname.lastname@example.org