H3 has been successfully built on Windows using Visual Studio 2017.
You can use the CMake GUI to configure the Visual Studio project files needed to build H3. Alternately, you can do the same from the command line:
mkdir build
cd build
cmake ..
You can now open h3.sln and build the ALL_BUILD project to build the H3 library, filter applications, and tests. Tests can be run by building the RUN_TESTS project. From the command line:
msbuild ALL_BUILD.vcxproj
msbuild RUN_TESTS.vcxproj