Arqade is a question and answer site for passionate videogamers on all platforms. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I installed a copy of Civilization 4 that I have bought and when I installed it, it didn't ask for a serial. But in Steam, I can only see an option that requires you to add the serial number. I checked the box, manual, etc. but I didn't find any serial number. How can I add my Civilization 4 game to my steam account?

share|improve this question
Related:… – FAE Aug 6 '11 at 13:34
up vote 12 down vote accepted

Not all games that are released through Steam support adding the version not bought through Steam to the Steam library.

This is the up-to-date list of games that support registering them in Steam. As you can see, it doesn't include Civilization IV.

However, remember you can still add the game as a "non-Steam" game. This gives you the benefit of the Steam overlay, but does not make the game auto-update and does not allow you to download the game from Steam.

share|improve this answer
The irony here being that Civilization V is a Steamworks games and can't be played without it. – user2974 Aug 6 '11 at 15:35
@user2974 - Civilization V and Civilization IV are different games. When Civilization IV was released the publisher might not have wanted to spend the resources. Steamworks is also something recently added to Steam that might not have been a choice when Civilization IV was originally released. – Ramhound Sep 17 '13 at 14:31

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.