Topic Bought Digital Download of Cata and never...
Edited by Coalfrog on 11/16/10 12:09 PM (PST)
You're all set! Most of the data related to Cataclysm is already present on your machine!
[EDIT] And by most, I mean that I'm assuming that the rest of the content will be provided later with updates if not already entirely present, but there are no further actions for you to take.