A steam CD key is a code that you can use to activate a game on Steam. It is a 25-digit code that is sent to you by email after you have made a purchase.
You can use a steam CD key to install and play games on your computer, or you can give it to a friend so that they can install and play the game on their computer.
Some steam CD keys also come with bonus items, such as in-game items, soundtracks, and wallpapers.
Is Steam OK with CD keys?
When you purchase a game on Steam, you …