A Steam cd key is a code that is used to activate a game on Steam. It can be purchased in retail stores or online. There are many different cd keys available, and each one is unique.

When you purchase a game on Steam, you will need to enter the cd key in order to activate it. The cd key is a unique code that is used to identify the game. It is also used to verify that the game has been legitimately purchased.

If you lose your cd key, or if it is stolen, you can contact Steam customer …