Thanks!

Hey, The key that was provided can't be activated because it needs the "base game".
The link in the giveaway says it includes everything:

Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below.

My apology, I have drop a wrong key, give me your e-mail or befriend me and will give you the correct one.