I gave my Diablo 2 and expansion CD to my little brother so he could play when he moved to flordia. I still wanted to play so I bought a new expansion CD. I don't have the Diablo 2 cd anymore so I can't install the new CD key for my new expansion CD. This isn't a problem unless I want to play on battlenet at the same time they do.
My question is:
How do I update the CD key for my Diablo 2 expansion without reinstalling it?
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