Product key invalid

hi guys.

trying to install game to a laptop on windows 10 but its saying product key is invalid. microsoft tried to help me with this issue and directed me to this forum. they said that you guys can help me access the game. are the product keys usually good for one time only?



Are you talking about CD release or Steam release? Make sure you are using your key in right expansion/vanilla. Also you cannot use product key from CD release to get steam version like in some games.

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