IIS isn’t installed by default when you install Windows.
Follow these steps to install
Click the Start button , click Control Panel, click Programs and Features, and then click TurnWindows features on or off.If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
.In the list of Windows features, select Internet Information Services, and then click OK.
Then,in the list of Windows features, click the plus sign (+) next to Internet Information Services, click the plus sign (+) next to World Wide Web Services, click the plus sign (+) next to Application Development Features, select the dynamic content features you want to install, and then click OK.
Go to Control Panel again,select Administrative Tools,double clicke IIS Manger to configure IIS 7.
Select Default Web Site,then double click ASP.
.Enable Parent Paths for ASP then click Apply
You can modify Default Document by clicking Default Document,modify binding port by clickingBindings…,modify the phisical web path by clicking Advanced Settings… .
Type localhost or 127.0.0.1 in you IE or Firefox to see the results.
Cheers