Microsoft Previews New Windows, Music Player

Microsoft is making adjustments to its Windows 8 operating system, beginning with the resurrection of the Start button. The changes, announced today at the Microsoft Build developer conference in San Francisco, address some of the complaints leveled at the hybrid tablet and PC operating system that surfaced when it was released late last year. The company also unveiled improvements to its Bing search engine, built-in support for 3-D printers, an updated Xbox Music app, and new tools for developers making WIndows 8 applications. (CNN)