You need .NET framework aswell from MS website..
Then..
Insert the Windows XP Professional CD-Rom into your CD-Rom Drive
From your Start Button, go to Settings, and Control Panel
In the Control Panel window select Add/Remove Programs
In the Add/Remove window select Add/Remove Windows Components
In the Wizard window check Internet Information Services, click OK
An Inetpub folder will be created on your harddrive
Open the Inetpub folder, and find a folder named wwwroot
Create a new folder, like "MyWeb", under wwwroot.
Use a text editor to write some ASP code, save the file as "test1.asp" in the "MyWeb" folder
Make sure your Web server is running - The installation program has added a new icon on your task bar (this is the IIS symbol). Click on the icon and press the Start button in the window that appears.
Open your browser and type in "http://localhost/MyWeb/test1.asp", to view your first ASP page