The .NET Framework is the easiest way to build apps on the Microsoft platform. You can download Visual Studio Express for free, and be coding in just a few minutes. You can also use the .NET SDKs and targeting packs to build apps for a given Microsoft platform, such as Windows Azure.
Add-in Express PLLC Convert your Visual Studio setups to WiX with no coding! All .vdproj types (msi, msm, web), variables, searches, conditions, custom actions, built-in dialogs are fully supported on Visual Studio 2012, 2010 and 2008. 15% off for MSDN subscribers.