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Dual Boot Windows 7 and Windows 8 Upgrade?

  1. #1

    Dual Boot Windows 7 and Windows 8 Upgrade?


    I would like to buy the $39 Windows 8 download. I have a very nice and established Windows 7 installation currently, which I am dual booting with the Windows 8 Evaluation version. Will I be able to install the upgrade download on a different partition, or does it only install over an existing Windows 7 installation? Does anyone know definitively?

    TIA

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  2. #2



    Posts : 1,925
    Windows 8.1 Pro


    Yes, this has been asked several times. You can do a full clean install of Windows 8, but you must have a qualifying OS as well.
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  3. #3


    Quote Originally Posted by Mystere View Post
    Yes, this has been asked several times. You can do a full clean install of Windows 8, but you must have a qualifying OS as well.
    It hasn't really been made clear to me. I know that you can do a clean install if there is a qualifying OS installed. But can it be on a different partition, or does it have to be "on top of" the existing installation?
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  4. #4




    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    You could Upgrade your Windows 8 RP to Windows 8 RTM.
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  5. #5


    Quote Originally Posted by theog View Post
    You could Upgrade your Windows 8 RP to Windows 8 RTM.
    I'm actually running the Windows 8 Enterprise Evaluation version, not the Release Preview. My understanding is that, while you can upgrade the RP, you can't upgrade the Enterprise Eval.
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  6. #6


    The answer is yes :-) You can do a clean install on a separate partition from where your qualifying OS is installed.
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  7. #7


    Posts : 30
    Windows 8


    Just an extra query I have - Does Windows 8 need to be installed to a freshly formatted drive, or can it go onto any drive?

    I have a 128 Gb SSD for Win 7, plus a 512 Gb for games (plus a pair of 2 TB for everything else + backups), can I simply install Win 8 to the 512 Gb drive without losing anything on it, or will I need to back it up first?
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  8. #8


    Quote Originally Posted by bhavv View Post
    Just an extra query I have - Does Windows 8 need to be installed to a freshly formatted drive, or can it go onto any drive?

    I have a 128 Gb SSD for Win 7, plus a 512 Gb for games (plus a pair of 2 TB for everything else + backups), can I simply install Win 8 to the 512 Gb drive without losing anything on it, or will I need to back it up first?
    I believe it can go anywhere, so long as a 'qualifying Windows version' is installed somewhere on the system. The installer looked just like the installer from the Eval - I think that once it sniffs out a Windows installation, it then allows you to do pretty much whatever you want.
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  9. #9


    Posts : 30
    Windows 8


    Hmmm, so what happens if you format your previous windows installation then?
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  10. #10


    Quote Originally Posted by bhavv View Post
    Hmmm, so what happens if you format your previous windows installation then?
    Before or after you install Windows 8? I wouldn't format it before, unless with the 'advanced' feature of the installer itself. After 8 is installed, I seriously doubt it would make any difference, until/unless you wanted to reinstall it.
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Dual Boot Windows 7 and Windows 8 Upgrade?

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