
The program runs on every version of Windows since Windows 95, many versions of Linux and BSD, MacOS X (although not very well, still seeking a developer to fix some major issues unique to the platform) and has been independently ported by fans to Apple iOS, Android, WiiBrew, and online.

A new freely-available base graphics set (zBase) is in development, and several NewGRF add-on graphical building & vehicle sets are adding more 32bpp graphics. Since version 1.2.0, users now have the options of using stunning 32bpp graphics. If you have your original TTD installation CD, you can still install those either during OpenTTD's set-up, or by following directions in the manual. Open the Game Files folder and drag TYCOON. Download and Extract TransportTycoonDeluxeDOSEN.7z. Since version 0.7.0, the game will now prompt you to download freely-available graphics (OpenGFX), sound (OpenSFX) and music files (OpenMSX, among others), or install them from another area. TransportTycoonDeluxeDOSEN.7z (6.3MB) How to play on Windows. OpenTTD has not required the original Transport Tycoon Deluxe files for nearly two years.
