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WiX Toolset creates Windows installation packages from XML source code. The toolkit offers both a command-line environment and the newer MSBuild technology from within integrated development environments like Microsoft Visual Studio or SharpDevelop to produce MSI and MSBuild setup packages for developers. WiX’s source code is written in the XML language and is compiled and managed using models to execute the overall programs in specific models. The most recent binary and source code versions are available for download. This article assumes you are using the 3.x stable version of the Wix Toolset.