In fact, correct me if im wrong, I got two codes. I got one code on a small a5 piece of paper with the pictures of the SF units (organ gun etc), and I got a code on a little unit card for an addition unit (USS constituion?) was like the pre-order unit but I didnt pre-order just store bought. I think there is an easy test - arn't the units sposed to appear in the custom battle list or something? Someone will know what is the simplist way to see if you have the SF. Anyway when I start steam it shows I have 3 product activated under the ETW game launcher. Basically to activate the SF you click activate product in steam and enter the code and it will add it to your ETW file.