The cheapest graphics card you can play it on is an NVIDIA GeForce GT 440. An Intel Core 2 Duo T7250 CPU is required at a minimum to run Train Town. In terms of game file size, you will need at least 500 MB of free disk space available. Train Town system requirements state that you will need at least 2 GB of RAM.
Train Town will run on PC system with windows 7 and upwards.
