In an effort to show how Windows 8 may be the most flexible version of Windows to date, Microsoft officials demonstrated Tuesday how it will allow users to run instances of previous versions of the operating system within a Win8 desktop, and how it also can easily boot on older systems running Windows 7.

"I find this exceedingly convenient," said Linda Averett, who leads program management for Microsoft's developer experience team, during a keynote presentation at the TechEd conference in Orlando, Fla.

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Windows 8 To Run Windows 7, And Vice Versa - Software - Windows 8 - Informationweek