Windows 8 unveiled!

Updated: Nov 21, 2012 14:11 IST

Iain McDonald, partner director Windows Product Management for Microsoft, holds up a component piece of a Windows device during an event unveiling a new Microsoft Windows operating system at the company's headquarters in Redmond, Washington. Designed to run on both PCs and tablet computers, Windows 8 heralds the biggest change to the industry's dominant operating system in at least 17 years. (AP Photo/Elaine Thompson)
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Iain McDonald, partner director Windows Product Management for Microsoft, holds up a component piece of a Windows device during an event unveiling a new Microsoft Windows operating system at the company's headquarters in Redmond, Washington. Designed to run on both PCs and tablet computers, Windows 8 heralds the biggest change to the industry's dominant operating system in at least 17 years. (AP Photo/Elaine Thompson)

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