The Windows 8 Store is Open for Business!!
With more than 630 million Windows 7 licenses sold to date, across 200+ countries and regions around the world, Windows has an unrivaled global reach. Combined with the flexibility of monetization options that the Windows 8 Store provides, Windows 8 represents the single biggest developer opportunity for any platform.
For more information on building apps for Windows 8 visit the Windows 8 Developer Portal and Generation App.