Installing IIS 7.5 on windows 7 Enterprise, Ultimate, and Professional
Microsoft did not install IIS 7.5 is not installed on Windows® 7 Professional, Enterprise, or Windows® 7 Ultimate by default. However can have it installed on your windows machine clicking control panel which is under the start programs, then turn windows features on/off. Once it populates you will need to click on Internet Information Service followed by OK.
You can also use the Web Platform Installer (Web PI) to easily install IIS, and applications that run on IIS. The Web PI is a free, lightweight tool that lets you install IIS and related technologies such as ASP.NET, SQL Server Express, Visual Web Developer, other popular Web applications, and more. Because the Web PI installs the latest versions of available Web Platform offerings, with just a few simple clicks you can download and install any new tools or updates.
To Install IIS 7.5 on Windows 7
You can perform this procedure using the user interface (UI) or a script.
Using the UI