Cities in Motion: St. Petersburg is a new addition to the city-based mass transportation simulation game Cities in Motion. The great Window to the West, St. Petersburg, offers many new challenges. The traditional trolley buses offer a new mode of transport and give the city its unique atmosphere. A new campaign consisting of three scenarios highlights key points in St. Petersburg's history while presenting the player with interesting and challenging tasks.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.