Windows 8

Microsoft`s upcoming Windows 8 series - featuring an upgraded cloud computing service - marks a `rebirth` of its operating systems, chief executive Steve Ballmer said.

`It`s really, in some senses, a dawning of the rebirth of MS Windows. It`s certainly the most important piece of work we`ve done,` chief executive Steve Ballmer in a speech to the Seoul Digital Forum.

Windows 8, whose preview version will be released in June, allows users to readily store and share personal data among various devices under the `SkyDrive` cloud computing service. Rival Apple already offers such a service.

Mr Ballmer described Windows 8 as the `deepest, broadest and most impactful` Windows software ever created by the United States (US) tech giant, after the current Windows 7 sold at unprecedented rates to businesses.