If the Unity Web Player is installed but not working in Chrome or Firefox on your Windows PC, then please read this article for the resolutions.

Face it: controllers and in-game characters are an abstraction and can be a barrier between the player and a deeply immersive experience. Perhaps that’s why game developer Cyrus Lum created ...

Unity Music Media Keys is a Chrome extension that makes that experience better by offering quick push button controls, and support for Apple's keyboard media keys.