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Upgrading Win 7 32 bit to Win 7 64 bit RRS feed

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    Hello everybody,

    I have Win 7 32 Home premium bit installed on my pc, but I'd like to change my cpu and I'm going to take a 64 bit cpu. Is my product key valid to install a 64 bit version of the same OS, or I need to buy a new product key?

    Tuesday, July 16, 2013 1:27 PM

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    Hi

    Make sure your key is retail version instead of OEM.

    The retail Windows 7 key can work with both 32 and 64 bit version. But you can not  use it at the same time.

    Meanwhile, the OEM key of 32 bit version  can't work with 64 bit version.

    Hope this helps.

    Regards


    • Edited by Jack00121 Wednesday, July 17, 2013 8:39 AM wrong word
    Wednesday, July 17, 2013 8:38 AM
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    Meanwhile, the OEM key of 32 bit version  can't work with 64 bit version.
    This is incorrect. Product keys for Windows 7 are not architecture dependent.
    Thursday, July 18, 2013 3:50 PM
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    What is the exact make, model, and series of your system or motherboard?

    Unless you have a very old system your CPU should already be 64-bit.

    Do you have the DVD or a 64-bit .ISO file?

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”

    Thursday, July 18, 2013 4:00 PM