(1) The document discusses how to install ASP.net 4 and Visual Studio 2010 Express, which allows users to build rich internet applications using the .NET framework. (2) It explains the differences between Visual Web Developer 2010 Express, the free standalone version, and Visual Studio 2010, the full development suite with different price points. Both contain the necessary features to create complex web applications. (3) The document provides instructions on running and viewing ASP.net pages in Visual Studio 2010, accessing tools like the Solution Explorer and Properties Grid, and using shortcuts like Ctrl+F5 to run pages in a web browser.