Model: Yamaha ymf 740-v AC97
Operating System: Not Specified (Note: might work with other versions of this os.)
Before downloading: Run Free Scan for Instant Driver Updates
It is a zip file so just unpack it to a suitable folder that you can make on your hard drive first e.g. soundcard. When your pc detects the device this time point it to the location where you unpacked these files to e.g.soundcard and it should install the driver.