Windows 10 Taking Charge

Hi:
I am trying to install Win 10 on wifey's PC.
Right now I have a booting program that selects which partition to boot.
So when I installed on an empty partition and it restarted it now wants to take over my booting program's job and gives me two choices: 1. Win 10, 2. Win 7 .
I ran into this when finally installing Win 10 on my PC but can't remember what you have to do to make Win 10 quit trying to give you dual boot options.
I want to give options back to my booting prog.
Any help is appreciated.

This is a USB install I purchased in 2019 whatever version that would be.

I'm trying to give back to my booting program the responsibility of booting the partition I choose instead of Win 10 giving me choices of it or Win 7.

Thanks for the reply.

If you don't want Windows setup to touch your bootloader, then you need to use the dism /apply-image command to apply a Windows image to the desired partition rather than running Windows setup.

Leo625 said:

NavyLCDR
Can you show me what that looks like or point me to information I should read to understand how to do it myself? Using BIBM is good but not having to jump through so many hoops would be better. I had to disable Win 10 "Fast Start" in BIBM to make sure it didn't interfere with booting.

To start with, you need the standard Windows 10 installation USB flash drive, and on your computer you need a blank partition formatted as NTFS to apply the windows image to. Boot the computer from the Windows 10 USB flash drive and you get the first screen asking for language, time and keyboard. Press Shift + F10 to open a command prompt.

Code:

diskpart
list volume

What this is telling me is that my USB Flash Drive is D drive. My current Windows is C drive. The blank NTFS partition I want to put the new Windows on has no drive letter (it is volume 2). The blank partition you want to install the new Windows to may have a drive letter already assigned. If it does, just use the existing drive letter and skip the next step. Next I am going to assign drive letter T to the blank partition I want to install Windows to:

Code:

select volume 2
assign letter=T

Now we need to leave diskpart, go into the sources folder of our USB flash drive and see if we have install.esd or install.wim. Change the drive letter used below to whatever the drive letter of your USB flash drive is:

Code:

exit
D:
cd Sources
dir install.*

I have install.esd. You might have install.wim. Just make sure to use the proper filename in the command below. Next I am going to see what is available in my install file:

Code:

dism /get-wiminfo /wimfile:install.esd

I want Windows 10 Pro, so it is going to be index 6. Windows 10 Home would be index 1. Now I have everything I need: the install.wim or install.esd file, the index number, and a blank NTFS partition with a drive letter to apply the image to. The only thing left to do is apply the image:

Code:

dism /apply-image /imagefile:install.esd /index:6 /applydir:T:\

That's it. Remove the flash drive and restart the computer. You now have Windows installed onto the partition that you created for it, but there is currently no way to boot into it. Your next step would then be to go into whatever boot manager you are using and add that partition to it's boot menu. Good Luck!

Thank You Both for your help! I'm going to save this to my notes!