 <p>I have not tried the Express version, but I found this answer, which may be helpful to you (though it is for an older version):</p> <p><a href="http://stackoverflow.com/questions/1865069/how-to-compile-a-64-bit-application-using-visual-c-2010-express">How to compile a 64-bit application using Visual C++ 2010 Express?</a></p>