Unfortunately, I bought & downloaded it via the online store, which means I don't have a CD case or anything. I still have the same email address now as I did then, so is there any way of getting the serial # sent to me again so's I can actually install it?
Two of the greatest GalCiv related sites around. Here you can meet the Veterans and BigGuns of the game, I'm sure there'll be someone who can help you further and in more detail.