How to use ujitsu scansnap s510 windows 7 driver?

As you said that you need driver software of the fujitsu scan snap for the Windows 7 operating system and also you said that you have the driver software for windows vista operating system, so I want to tell you that almost all windows vista software supports windows 7 operating system. I suggest you to please re-install the software again but again if the driver not install on your Windows 7 PC in that case go to the fuji website and from there download the upgraded version of the driver software because now all company provides windows 7 drivers software for their products or the other way is contact the customer care of the scanner. They will definitely assist you. So now I guess this information helps you.