The Windows Installer XML (WiX) is a toolset that builds Windows installation packages from XML source code. It is hosted under sourceforge.net (http://wix.sourceforge.net/).
Since it is a toolset, the solution typically consists of a few console applications.
- candle.exe – is a compiler
- light.exe – is a linker
- dark.exe – is a MSI decompiler
To get started creating a Windows Installer Package (MSI) i recommend to use another freeware tool called WiXEdit. This piece of Software is also hosted on sourceforge.net (http://wixedit.sourceforge.net/).
This is a sample for creating a registry key: