Hardware is compatitable with Windows NT only. Unzip and note where the drivers (in the Chili NT folder) are located. Install hardware. Go to Network Neighborhood, adapters then add a device. Change path to where the Chili NT folder lies and pick appropriate drivers for your model (depends on # of ports supported by card). Reboot. If you have an I/O confilict see help file to change I/O dipswitchs on card and software. To install the port viewer (ChiliPlus) go to the setup.exe located in the ChiliPlus1 folder.