he latest version of Microsoft's flagship operating system, Windows 7, is available for pre-order in the UK.
Amazon said that sales of Windows 7 in the first eight hours it was available outstripped those of Windows Vista's entire 17 week pre-order period.
The home version of the operating system costs around £50, while the professional version costs around £100.
The limited number of pre-ordered copies will be shipped on 22 October, the same day it goes on sale in stores.
Pre-orders are available from a number of retailers, with the period ending on 9 August.
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