How to change cdkey (steam version of arma)

[kroganin1]

How to change cdkey on steam version of ArmA II Operation Arrowhead?
When i try to use darky's changer and i'm launching arma 2 oa from .exe file it gives me error.

[alexw203]

Go to google and type in -> how to change cd key arma 2

[Ulookingat]

How to change cdkey on steam version of ArmA II Operation Arrowhead?
When i try to use darky's changer and i'm launching arma 2 oa from .exe file it gives me error.

You need to make a new account on steam, buy a new OA and then you should be able to play ok. Do not use you old account unless you change the setting in steam to not change the key in the registry. Not sure exactly where that is but just google that, it's easy to do.