Thanks I started the download of a game and then stopped the download. Then I was sent an email with my serial numbers so I could register my games. I had no clue as to the serial numbers due to Windows 10 dying on me numerous times and having to re-install it and losing everything I had saved on my...

Hi, I purchased the base game and several of the DLCs a while ago. I was able to add the base game to steam but my DLC content is missing.
Is there a way for me to activate my owned DLC on it as well?

Thanks