Are you restricted from downloading (to a flash drive, for example) on the pc you are using to access the Cnet forum here?

If you can download using the pc you composed your message on, use a flash/thumb drive, which should be recognized natively by XP.

Get your drivers directly from DELL:

They're all there. Just put in your model. Get the ethernet drivers first. The video is probably more of an annoyance right now. If you know the brand of the video card (such as Nvidia), get them from the manufacturer's website.