We\'ve installed the Microsoft Build Tools 2013, from http://www.microsoft.com/en-us/download/details.aspx?id=40760, but after installation, there is no C:\\Program Files (x86)\
NOTE: Weirdly this did only work for debug configuration. There seems to be missing some parts afterall. I ended up installing VS2013 express.
If you are ok with having Visual Stuido 2015 installed you can either change your VS2015 current isntallation or newly install it. From the 2015 installer, select Windows 8.1 and Windows Phone 8.0/8.1 Tools and common Tools for Visual C++ 2015:
After installation completed, you will find the platform Toolset below (in my case VS2017):
Credits: https://stackoverflow.com/a/42687137/4870255