I receive this message when trying to launch the program: "You need 3d Graphics and DirectX installed to run this application." I know that I have the latest DirectX installed because I just went to the Microsoft Downloads page and installed it. I *think* I am able to run 3D graphics. Is there a site where I can download 3d Graphics drivers? I am a teacher and am anxoius to try this out with my students. Thanks for any help you can give me!