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Home > Games and Applications > I'm having trouble with my retail CD key > I get an invalid CD key error when I try to redeem my CD key
Invalid CD key error
If you are receiving an invalid CD key error when registering a key for a game you will need to return to the seller you purchased the key from for assistance.

Steam Support is not able to provide replacement CD keys for retail purchases.

For more information on retail CD keys, please read this FAQ.