Microsoft's OneDrive to take on Google Drive and Dropbox.Microsoft's 'Threshold' goal: Win over Windows 7 holdouts.Microsoft OS chief sees a 'One Windows' future (Q&A).Mobile first, cloud first: Microsoft looks to the future.'There will be one way to write a universal application, one store, one way for apps to be discovered purchased and updated across all of these devices.' A tailored experience for each device,' Myerson said at a press event here Tuesday. 'Windows 10 will run on the broadest amount of devices. Windows 10 is such a substantial leap, according to Microsoft's executive VP of operating systems, Terry Myerson, that the company decided it would be best to skip over Windows 9, the widely expected name for the next version. In its place is a combination of the so-called live tiles, present in areas like the new Start Menu, and a more classic Windows experience that aims to please both touch and keyboard-and-mouse users. Originally codenamed Windows Threshold, the new operating system essentially does away with the dependency on the tiled 'Metro' user interface that Microsoft had attempted to implement across its entire device line, from desktop PCs to Surface tablets and Windows Phone devices.

The follow-on to the current Windows 8 operating system will be known as Windows 10.

SAN FRANCISCO - Microsoft just said no to 9. Microsoft VPs Joe Belfiore (right) and Terry Myerson gives a live demo of Windows 10 onstage at a press event in San Francisco, Calif., on September 30.

Microsoft to do operating system