Steam Key Already Used / Used Steam Error troubleshooting

If your Steam Key is showing as already used or invalid, we require the following details in order to claim a replacement or refund on the key:

it's really unusual but I can get this solved easily for you.

In order to claim a replacement or refund for you, we require a few screenshots in order to make the refund claim. I know it's an inconvenience, but follow the instructions below and it shouldn't take more than 4-5 minutes to gather the required screenshot evidence.

Please send us the following screenshots:

1. The key entered into the Steam activation window (This one is required only for Steam Keys)
 

2. A screenshot of the error message you receive when trying to redeem your product.
 

3. Steam account licenses and activations history
(click on your account name in the top-right corner of Steam -> Account Details -> View licenses and product key activations);

Please see an example here (correctly taken unedited screenshots are crucial for resolving the issue quickly):

https://www.cjs-cdkeys.com/images/steam-key-error.jpg

Thanks so much for your co-operation and we are sorry for the inconvenience caused. It's just that our suppliers require these proof screenshots, in order to claim a refund. If you cannot send it using the ticket system, you can simply upload it in imgur.com and share the link with us, and we will report it to our supplier immediately.