
Microsoft CEO Steve Ballmer gives the keynote speech during the global launch of Microsoft's new Windows 7 operating system at Skylight NYC in New York, New York, USA, 22 October 2009. EPA/REBECCA MCALPIN / HO

Microsoft CEO Steve Ballmer and 5-year-old Kylie, the star of Windows 7 commercials, speak during the global launch of Microsoft's new Windows 7 operating system at Skylight NYC in New York, New York, USA, 22 October 2009. EPA/REBECCA MCALPIN / HO

A company handout photo showing Microsoft CEO Steve Ballmer givs the keynote speech at the global launch of Microsoft's new Windows 7 operating system at Skylight NYC in New York, New York, USA, 22 October 2009. EPA/REBECCA MCALPIN / MICROSOFT HANDOUT

A company handout photo showing Microsoft CEO Steve Ballmer givs the keynote speech at the global launch of Microsoft's new Windows 7 operating system at Skylight NYC in New York, New York, USA, 22 October 2009. EPA/REBECCA MCALPIN / MICROSOFT HANDOUT

Chris Liddel, Chief Financial Officer, Microsoft, rings the opening Nasdaq bell on Microsoft's campus in Redmond, Washington, USA, 22 October 2009. Liddel is surrounded by Microsoft engineers and other employees for the ringing of the bell and celebrating the global launch of Microsoft's new operating system Windows 7. EPA/ROBERT SORBO / HANDOUT

Microsoft CEO Steve Ballmer gives 5-year-old Kylie, the star of Windows 7 commercials, a new PC during the global launch of MicrosoftÕs new Windows 7 operating system at Skylight NYC in New York, New York, USA, 22 October 2009. EPA/REBECCA MCALPIN / HANDOUT

Microsoft CEO Steve Ballmer shows off some Windows 7 PCs during the global launch of Microsoft's new Windows 7 operating system at Skylight NYC in New York, New York, USA, 22 October 2009. EPA/REBECCA MCALPIN /

Undated handout image released by MAGIX AG on Thursday 22 October, 2009: MAGIX embraces Windows 7 by optimizing its multimedia software.MAGIX's most important new releases for the autumn such as, Xtreme Web Designer, are being optimized specifically for Windows 7 and carry the official logo "Compatible with Windows 7". Software specialist MAGIX goes beyond simply ensuring full compatibility of its current versions and new releases with Microsoft's new operating system. It will spend the next few months exploring the possibilities offered by Windows 7 and tailor the new features to the specific needs of its users. The aim is to make using PCs easier for beginners and experts alike. EPA/Business Wire EPA COMMERCIAL FEED

These are copies of different editions of Windows 7 ready for sale at the Best Buy, 20 October 2009 in Orem, Utah. Microsoft's Windows 7 is set to be released on 22 October 2009. EPA/George Frey
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