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Downgrade Windows Professional 8.1 x64 OEM to Windows 7 Professional

    Question

  • Hi,

    I have already purchased Windows 8.1 Pro 64bit OEM licence. But now i am facing my PMS application not supporting 8.1 it works only with windows 7.

    Please help me how can i downgrade Win 8.1 to Win 7.



    Thanks.

    Thursday, October 8, 2015 2:55 PM

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