Microsoft has sold 90 million copies of Windows 7 to date , making it the fastest-selling operating system in history, according to Peter Klein, Microsoft’s chief financial officer. … It has been only a year since the first beta release of Windows 7 and only 2 months since its public release to retail channels in selected countries throughout the world but it is already clear, says Microsoft , that Windows 7 is the fastest selling operating system in Windows history.

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Windows 7 Fastest-Selling OS Ever In History | Edizle