In linux, the standard answer is: glxgears! I don't know much windows, but in linux glxgears are universally installed and run simply by typing glxgears. Maybe without s. Who remembers the Last parts of commands these days?
If the glxgears numbers are ridiculous low, you're running unaccelerated 3D. If that is the case, upgrade your driver --- I am sure that telling you how to do that in linux is no help at all
