How I can check that a steam key of game which I have already owned is valid? I want to give away one game, but I sent key to two people and I don't know that it is used or not...

11 years ago*

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Sorry, you can't.

11 years ago
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if you sent it to two people don't risk, 90% it's used

11 years ago
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Post it here and we'll check

11 years ago
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The only way to deal with Steam keys is to consider them used the second you send them to anyone.

11 years ago
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Ok, if it isn't used, you can take Darwinia: 5B6BD-P6DXP-7TAHL.

11 years ago
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dup. Thanks :)

11 years ago
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oh well missed it :(

11 years ago
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Closed 11 years ago by Virhven.