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Windows 8: Taking a look at Microsoft's latest operating system

1 June 2012 Last updated at 18:10 BST

Microsoft has launched the most complete preview yet of its forthcoming Windows 8 operating system.

The company said that tens of thousands of improvements have been made to what it calls the most important redesign of its interface since Windows 95.

Rory Cellan-Jones installed it on a Samsung tablet, to get a sense of how the system functions on a touchscreen platform.