You can purchase the DLCs from whatever place you wish, as long as it's available for sale. If the Steam Store does not display it for you, you won't be able to purchase it.
Once you activate our key through Steamworks, there is no difference to purchasing from the Steam Store directly.
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You can purchase the DLCs from whatever place you wish, as long as it's available for sale. If the Steam Store does not display it for you, you won't be able to purchase it.
Once you activate our key through Steamworks, there is no difference to purchasing from the Steam Store directly.
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