Tools required: 
* Visual Studio 2013
* SVN or GIT

How to build libmicrohttpd for Win32: 
* Get sources from https://gnunet.org/svn/libmicrohttpd or from https://github.com/Karlson2k/libmicrohttpd.git
* Build using w32/VS2013/libmicrohttpd.sln by Visual Studio 2013 for "Debug-static" and "Release-static" configurations