Download Driver Nfa-01a How Can I Download Driver S/w From Dell Website?

How can I download driver s/w from dell website? - download driver nfa-01a

When I try to download, the window that led Run-save style is not displayed. Instead of opening directly into a webpage and it looks like a code in assembly language. I downloaded from Dell. I recently reinstalled Windows, and some damage to my driver CD is. I tried the audio driver (SigmaTel) here. Suggestions?