Millions asked for it, and Microsoft is providing it: the old Start Menu is coming back. At its Build conference today, Microsoft announced a new Start Menu that looks like a hybrid of the best of Windows 7 and Windows 8. In the same demonstration, Microsoft also showed a new mode that allows modern Windows 8 apps to run in the desktop environment inside their own windows. Its a return to Windows roots for Microsoft, and will make a lot of keyboard and mouse users very happy.