TS12-EXCL-46957-PHANTOM
or inside the DVD case. Note that the product key and serial number are sometimes different; the one required for activation is typically on the manual. Digital Download (Trainz Store) : Keys are listed in your My Digital Downloads page on the MyTrainz portal Steam Edition : Right-click the game in your Steam Library and select View CD Key trainz simulator 12 build 46957 cd key exclusive
The specific build number, 46957, indicates a particular version of the game, likely updated from earlier versions with bug fixes, new features, or additional content. Build numbers are commonly used in software development to keep track of versions, especially during the development and testing phases. TS12-EXCL-46957-PHANTOM or inside the DVD case