How to triple boot, Win 7/Win10/Win10 Insider


  1. fireberd
    Posts : 2,585
    Win 11
       New #1

    How to triple boot, Win 7/Win10/Win10 Insider


    I have some old instructions on how to do this (I currently have Win 7 and Win 10 and want to add Win 10 insider version) but they do not work with Win 10.
    The instructions I have involve a command prompt to rebuildbcd. But with Win 10, when I get to Troubleshoot/Advanced Options there is no command prompt option.
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  3. fireberd
    Posts : 2,585
    Win 11
    Thread Starter
       New #2

    The rebuildbcd worked by booting from a USB drive that has Win 10 Insider. Going to Repair and advanced then to command promp, entering bootrec /rebuildbcd I was able to add the Win 10 insider to the boot list.

    Jack
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