the key will not expire, but it will not say if its invalid or not ^^. it will just bring you to the download page of the game ^^
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thats not correct... i just got Kane and Lynch 2 Dog Days today.... i owned the game already in my steam... so but i know the key was a key for german and english language... so i tried to redeem it. and it worked... it dont says i own the product already... it activated as an Kane and Lynch 2 Dog Days Retail EFIS. But you are right in the most cases it says "Product already owned"
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You wouldn't waste the key, it would just say "Account already owns product"
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It's weird how it's always the case that some of those obvious features aren't there, while more obscure features are XD
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Try it. If its activate, you had an different Version as Key... If its the same Version, it says "Product already owned"
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Sorry bud but there is no current way to check for key validity
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I need to check game key for validity, but i already have the game on my account and i dont want to waste the hey.
If i try to add this game, will it show me if the key is correct, but i have the game already ( or sth silimar, any validity confirmation) ? Or the key will expire/waste?
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