Tempest 2000 Installation To run the Tempest 2000 demo, switch to the TEMPEST 2000 directory on the CD demo then type INSTALL.EXE. The demo will ask you to install the demo to a TEMPEST directory on your hard drive. Click OK then configure your controller and sound card settings once the demo has been successfully installed. Should you have any problems running the demo, please contact Atari’s technical support department at (408) 745-2140, Monday through Friday, 9AM to 5PM, PST.