For example, if you have Gigabyte motherboard, then you have to visit their website and search for your motherboard’s model number to find all the latest downloads for it – device drivers, BIOS, utilities, manuals and more. So you want to download the latest drivers for your Windows PC? The first thing you would want to know is the motherboard model or ID number because you have to search the motherboard manufacturer’s website using this model or ID number.