my main driver is s3gnb.dll but i don't know what to do

Err, what exactly is the problem with that?

It belongs to a S3 ProSavage.

You can get the drivers from here:

http://www.via.com.tw/en/support/drivers.jsp

the problem is that the option menu won't appear

^ Get a new driver, that'll fix it.

how do you use the website

will this mess up the computer

Merged, please use the Edit button.

Follow the steps until you get your full info done then it will give you a download link.

Edit: and no, it wont mess up your computer, it will only boost it's performance.

how do i find the info

You need to put in your computer specs.

This can be useful if you don't know the basics.