Microsoft Visual C++ 14.0 is required (Unable to find vcvarsall.bat)

Your path only lists Visual Studio 11 and 12, it wants 14, which is Visual Studio 2015. If you install that, and remember to tick the box for Languages->C++ then it should work.

On my Python 3.5 install, the error message was a little more useful, and included the URL to get it from

 error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools

Edit: New working link

Edit: As suggested by Lightfire228, you may also need to upgrade setuptools package for the error to disappear:

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