google your video card manufacturer (likely ATI or Nvidia) go to their site, go to drivers section (possibly under support) and download the ones for your card. then install as u would any other software
3.1/3.2 appear to run slower than previous versions on lower-end computers and faster than previous versions on higher-end computers. I don't believe that there's been any optimisation made that benefits all systems. Just an observation.
"Call yourself alive? I promise you you'll be deafened by dust falling on the furniture,
you'll feel your eyebrows turning to two gashes, and your shoulder blades will ache for want of wings."