If you are unable to remember your Company of Heroes CD key in order to install the "Steam" version of the game, please go to the following site:
There, you will have two ways of retrieving your CD key
- Using the email that is attached to your Relic account
- Entering your Relic account and password
Once entered, you will receive a verification email followed by your CD keys.
If you can not remember any of the information above, there is an option to contact Customer Support for further assistance.