I suspect you never will.
Sun didn't "do" Windows, and it is very likely that Oracle can't be bothered either.
The keyboard is much too insignificant a product considering they're not producing any x86-based desktops and there is probably a philosophy carried forward from Sun that servers function so much better on *NIX.
Perhaps if Microsoft received enough requests, they'll build it into their OS's.
(But I wouldn't hold my breath waiting for that either.)