Sometimes this happens and it's usually an easy fix : )
If you have attempted to use the password and it's still not working, 99.9% of the time it's because people forget the password is case sensitive. Be sure to capitalize the parts of the password appropriately and input it exactly as it's shown in your download file : )
If that's still not working, please feel free open a support ticket here in our help center by clicking the button in the upper right hand corner of this screen, we will be sure you get access to your lessons asap : )
Thanks!