# Microsoft Visual Studio

Using Microsoft Visual Studio, you need to
include in your project the directories in the directory code/.


## Additional include directories

Add the MPICH2 include directory to

Configuration Properties => C/C++ => General => Additional Include Directories.


## Additional library directories

Add the MPICH2 lib directory to

Configuration Properties => Linker => General => Additional Library Directories


## Additional dependencies

Add mpi.lib to

Configuration Properties => Linker => General => Additional Dependencies


## Compilation

You are now ready to build Ray.exe.

## MPI implementation

You can use Open-MPI or MPICH2 or another implementation available for Microsoft Windows.
In this example, we use MPICH2 for Windows 32 bits and Microsoft Visual Studio 10.0.