Microsoft is positioning Windows 11 PCs as the broadest Xbox-connected gaming platform, combining PC Game Pass, Xbox Cloud Gaming, the Xbox PC app, the Microsoft Store, and third-party storefronts such as Steam, Epic Games Store, and GOG into one flexible play-anywhere pitch. That sounds like a familiar Windows argument, but the emphasis has shifted. Microsoft is no longer merely saying that Windows is where PC games run; it is saying Windows is where Xbox becomes a service layer. The...