Find all needed information about Steam Support Duplicate Cd Key. Below you can see links where you can find everything you want to know about Steam Support Duplicate Cd Key.
https://help.steampowered.com/en/wizard/HelpWithCDKey/?issueid=601
If you received a duplicate CD key from your retail purchase you will need to contact the retailer who sold you the key. Steam Support cannot issue a replacement CD key. Steam Support cannot issue a replacement CD key.
https://support.steampowered.com/kb_article.php?ref=7480-WUSF-3601
What is a CD Key used for after it is registered? After the key is registered to your Steam account, it acts as proof of purchase for the game as well as proof of ownership for your Steam account. Steam Support may ask for it if you need to establish your ownership of an account.
https://support.steampowered.com/kb_article.php?ref=2263-RIFC-1898
Steam-Issued Activation Keys. Many Steam games provide you with an additional activation key once they have been downloaded on a Steam account. These keys appear in the Steam library when you right-click the game and select 'View CD Key'. These keys are used to register your product outside of Steam, with a third party client or service.
https://steamcommunity.com/discussions/forum/1/620712364044000297/
Duplicate CD key I just bought a new game, it isnt secondhand/used. and as I was about to install it, steam asked for the CD KEY, so i entered it, steam said it was a duplicate CD key. but how? Ive already reported to steam support.
https://www.reddit.com/r/Steam/comments/xz846/duplicate_cd_key_from_half_life_generation_steam/
Long story short, I recently found out I can use old CD keys into Steam in order to get the game there. Ecstatic, I grabbed my case of Half Life Generation (which, according to Steam Support site, unlocks all 4 games in the bundle, HL1, Counter Strike, Blue Team and Opposing Force). After punching the code in, however, I got a duplicate CD key ...
https://gaming.stackexchange.com/questions/199511/what-can-i-do-because-of-duplicate-product-code-on-steam
Fortunately, because you have the receipt for the game you should be able to basically follow this process with Valve/Steam Support but from a stand point of "I once had this account but don't remember what it was and can prove this game is mine" instead of "I've no longer got this email address". The rest of the process should be the same. In the instance that you have no proof of purchase ...
http://steamcommunity.com/app/233860/discussions/0/810919691070313851/
If you get the Kenshi CD-Key window back up and look on the bottom right 6 little blips that form an arrow, click and drag there to resize the window, this will allow you to see the whole CD-key. Unfortuently is quite a long CD-Key, but 5 minutes to write in a CD-key …
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