Well Microsoft only makes two actual hardware systems and that is the Xbox 360 and the Zune. This cannot be Windows that he is reffering to because thats not a Microsoft hardware.
http://e3.gamespot.com/story/6210518/square-enix-considering-ffxiv-online-for-microsoft-hardware
[11:56] Through a translator, he says that some folks interpreted that it was an exclusive, the announcement would be coming to the PS3 and PC.
[11:56] "We are considering all options at this time, including Microsoft hardware." (Emphasis added.)
[11:56] The QA session is about to get started. Mics are being passed around.







