hello. i have a game named euro truck simulator 2 and to play multiplayer i have to download the multiplayer mod for it. so the question is when i run multiplayer mod it says "Before starting game you need to run steam" so anybody have a idea to run it through steam and yes i didn't bought it on steam and i too have steam.so any idea to add it to my downloaded games in steam and make it run? any ideas please without re-downloading it again because my internet is slow