Destruction Derby Installation To run the Destruction Derby demo, switch to the Derby directory on the demo CD then type INSTALL. The demo will then be installed into your GAMES directory onto your hard drive. Once the installation is complete, switch to the GAMES directory on your hard drive, move to the DERBY subdirectory then type DEMO. Should you have any problems running the demo, please contact Sony’s technical support department at (415) 655-5683, Monday to Friday, 9AM-6PM, PST.