Question : iis5 and iis6

Sir/Madam

I have iis5 . I would like to run ASP.net .
1.What should I do to upgrade the IIS5 inorder to run ASP.net?
2. What is the difference between aspnet_wp.exe and w3wp.exe?
3. What is purpose of http.sys

Pls reply me

-Dinesh

Answer : iis5 and iis6

First install IIS then install .NET Framework. The .NET installation routine will implement .NET in exisiting IIS configuration.