No, they don't self install, you have to do a driver update. First, unzip the drivers in a folder on your machine, say C:\drivers. Then right-click on the desktop, choose properties, choose Settings tab, then Advanced button. Then they Adapter tab, and choose Properties and there should be an Update Driver button.
This may be a bit different, because I am using 2k here. If this doesn't work, go to device manager and get to the properties of the video card, look for the driver tab, and an Update Driver button.
In any case, once it asks for a driver, choose Have Disk and point it to the C:\driver folder where you unzipped the files. That should do it.