If that makes you feel better about your legacy Nokia OS investment after all the company's Windows Phone 8 hoopla, check the source to see how to get it.
Even if we all stopped writing new code for Windows (as, to some extent is true, we have done, much writing is now being done in Python and so on which is not platform or OS specific) right now then there are vast numbers of legacy systems out there that will continue to require Windows licenses for decades to come.
The industry pioneer has decided the OS has a lot of promise for tablets, where the touch interface and legacy Windows support could provide the best of both worlds.