Build And Operate The Railroad Of Your Dreams….With Your Friends! TS12 includes the most exciting new feature in the history of Trainz. The players have asked for it and we have delivered Trainz Multiplayer. Now players from all over the world can build, play and operate railroads together!Go to: http://store.steampowered.com/ and download STEAM client
Click “Install Steam” (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don’t have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam…
Follow the onscreen instructions to complete the process.
After successful code verification go to the “MY GAMES” tab and start downloading.