how to add dual boot to Windows 10

  1. Posts : 2
    Windows 10 Pro

    how to add dual boot to Windows 10

    new around here, so hello everyone ....

    Just got new desktop tower with Win 10 Pro on it. Added two old drives to it, one with XP pro, and one with Win 7.
    Wanted to have multi-boot option on it, like I had with the old machine, but Win 10 loads right away, w/o giving me option to choose.

    I did some digging around, found the info about UEFI firmware settings (listed @ How to Access the BIOS on a Windows 10 PC), and started to play with it, but got stock on Secure Booting, meaning the "UEFI Firmware Settings" window opens "zoomed in", and I can't see the options menu listed on the left side ...
      My Computer

  2. Posts : 17,272
    Windows 11 Pro

    Open a command prompt (admin). Just click on the start icon, start typing the word command. Command Prompt should appear at the top of the list, right click on it, run as administrator.

    Let's say your Windows 7 partition shows up as F: drive in file explorer and your Windows XP shows up at G: drive. You would run the following commands:

    bcdboot F:\Windows /addlast /d
    bcdboot G:\Windows /addlast /d

    The paths in red are to the alternate Windows folders that you want to add to the boot menu change the drive letters to whatever they actually are on your system.
      My Computer

  3. Posts : 2
    Windows 10 Pro
    Thread Starter

    thanks, it did the trick ...

    unfortunately xp installation got corrupted somehow, so I have to dig up the the original disk to run repair, but that's different story ...
      My Computer


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