Be sure you need to flash first; bios updates aren't required to install newer versions of windows. If you do the flash wrong, you could end up with a dead motherboard. And bios flashes won't perform miracles; if your board is too old, you may not benefit from updating the bios. Here's the file page: http://www.biostar-usa.com/app/en-us/mb/introduction.php?S_ID=500#dl