|Or try to boot to a live linux cd to get driver files to a usb disk or even save to the hard drive.|
Most people have a set of cd's or dvds that came with the computer to return it. Those cd's have the drivers that you need if xp normally doesn't include them.
Not knowing what you had to begin with or what you need we can't tell.
You can phone Microsoft too to get activated.
"The era of big government is over," said Clinton 1996