Upgrade one side of current Dual boot setup


  1. BigBMH
    Posts : 1
    Win7 & 8.1
       New #1

    Upgrade one side of current Dual boot setup


    All,
    My current computer is already in a dual boot setup with a dedicated Win7 SSD and a dedicated Win8.1 SSD (not just a partitioned drive). Both drives are booting through BIOS not UEFI. What I would like to do is Upgrade the Win8.1 drive to Win10 and keep the Win7 drive functioning as is and intact. Both of my current versions of Windows are completely legal with their own separate Product ID's.

    I've done some initial research on this question but was hoping to get some answers from someone that has done this or at least some "best practices" on subject. It seems that from what i can find that my best bet is to disconnect the Win7 Drive, upgrade the Win8.1 drive to 10, then reconnect the Win7 drive and hope for the best.

    Any help or suggestions would be greatly appreciated. Sorry in advance if this topic is covered in a different tread already.

    Thanks!
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  3. pbcopter
    Posts : 524
    Windows 11 Pro x64, Windows 10 Pro x64
       New #2

    Hi and welcome.

    I recommend doing exactly as you have stated, Remove the Windows 7 drive and then do the upgrade. I would also create an image of your Windows 8.1 drive just in case.
      My Computers
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  4. whs
    Posts : 1,935
    Windows 7
       New #3

    pbcopter said:
    Hi and welcome.

    I recommend doing exactly as you have stated, Remove the Windows 7 drive and then do the upgrade. I would also create an image of your Windows 8.1 drive just in case.
    Exactly !!
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