If they are in separate folders since there will be one in the steam common games folder and the original game folder. I suggest backing up your older non steam version, making a copy, then merging it with the steam version. Hopefully the chars will carry over, but I doubt it since I just recently moved computers and doing that made me lose chats even though I had copy and pasted the game over to the new comp.
Anyway for a more decent solution to directly migrate chars, I found this guide [or forums thread really], it should be more useful: http://forums.taleworlds.com/index.php?topic=92807.0
*It also involves editing game files so you still should back up your game in case
Anyway for a more decent solution to directly migrate chars, I found this guide [or forums thread really], it should be more useful: http://forums.taleworlds.com/index.php?topic=92807.0
*It also involves editing game files so you still should back up your game in case