The Microsoft Web Platform runs a magnitude of popular and free web apps that help you do everything from blogging to selling products online. Getting up and running with a Web app is a cinch. For supported Web apps, Web PI will handle the download, installation and the configuration of the Web app for Microsoft Web Platform. Find an app that works for you.
The Microsoft Web Platform includes the framework, web server, database and tools you’ll need to build and run Web sites and applications on Windows. We recommend getting started using the Microsoft Web Platform Installer (Web PI). The Microsoft Web Platform Installer 2.0 (Web PI) is a free tool that makes getting the latest components of the Microsoft Web Platform, including Internet Information Services (IIS), SQL Server Express, .NET Framework and Visual Web Developer easy. The Web PI also makes it easy to install and run the most popular free web applications for blogging, content management and more with the built-in Windows Web Application Gallery.
Get Started today! http://www.microsoft.com/web/jumpstart/