Win 7 - Add Roles Services

How to Add Roles in Win7?

IIS Roles Services:
IIS ISAPIFilter role
IIS Windows Authentication role
CGI role


How?

Solution : -
You may check if feature is available on your Win7 , Here : -
http://technet.microsoft.com/en-in/library/cc753473%28en-us%29.aspx
also download RSAT packl and install it, you'll find everything needed .