For , which is primarily a mobile version of the game, a dedicated serial number is typically not required . Modern versions of Trainz, including mobile and digital store editions, use your MyTrainz account login and password to verify ownership and authorize the game. How to Find or Register Your Serial Number
Review the email sent to you after your purchase; serial numbers (e.g., starting with "ATS9" for older versions like TS2009) are often included there. Serial Number For Trainz Simulator Hd
To authorize your game and gain access to the Download Station (DLS) or forums: For , which is primarily a mobile version