Works on Windows 95 and 98. Unzip the file, go to your device manager and select the sound device, choose to update or reinstall the driver, then point the computer towards the file you just unzipped...way to go, you're a winner now. By the way, Aztech IS NOT producing any drivers that will work for Win 2000 or XP. Send them Hate mail...just kidding...the card also has the following markers on it azfin, azf3328. aztechpci168. 800-h45039-a30. acsc10800245.