If you are using Microsoft Visual Studio and trying to figure out how to enable the WiX projects in Visual Studio 2015, here we go.
How to enable Wix Projects in Microsoft Visual Studio 2015 ?
Download the latest version of Wix Toolset(v3.10.3.3007) from http://wixtoolset.org/releases/.
Source : https://twitter.com/wixtoolset/status/597796279729528833