Cubase LE5 Registration

Hi, I’m very new to this, so some help will be amazing.

I received my Cubase LE5 disc today after purchasing a Lexicon Alpha USB interface.

I followed the steps;
Install Cubase
Download and install eLCC
Make an account on Steinberg
Enter the Soft eLicenser serial number

At this stage I have no idea where to go from here. My account on Steinberg and eLCC both say there is no license for any Steinberg product on the elicenser.
How do I get this activation code?