Install Windows 10 from Windows 11 bootable drive


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Ramesh Sharma

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OS
Window 11 v24H2 Build 26085.1
Use 32gb external USB flash drive to make bootable Windows 11 as follow:-
From Windows 11 or Window 10 os, run cmd as administrator. Type Diskpart>list disk.
Type following commands one by one pressing enter after each command.
Please note drive letter and volume number of external USB as seen your pc.
DISKPART>select disk 1
DISKPART>clean
convert mbr
Click to expand...
create partition primary size=2048 (try 500mb or 1024mb)
Click to expand...
create partition primary
select partition 1
Click to expand...
format fs=fat32 label=BOOT quick
assign letter=X
active
select partition 2
format fs=NTFS label=INSTALL quick
assign letter=Y
Click to expand...
exit
Click to expand...

Now mount isos of Windows 10 and Windows 11.
Run diskmanagement and right click on NTFS partition and create new simple volume of size 10 GB size and format it as NTFS , lable this partition as Windows 10. Suppose drive letter is M.Now open Windows 10 mounted iso and
copy all folders and files to NTFS parttion M:
Now copy all files and folders of Windows 11 mounted iso to NTFS partition Y:
Copy all files and folders except sources folder from Windows 11 mounted iso to FAT32 parttion X:
Manually create sources folder in X: partition and then cut boot.wim from Y: \sources and paste into X:\sources.
Boot from this bootable drive. To install Windows 10 Press shift F10 at install screen and you get screen c:\windows\system32>
c:\windows\system32>DISKPART
DISKPART >list volume
DISKPART>sel vol 6 (may be different in your pc, this is drive letter of external bootable usb)
DISKPART>Z: (drive letter in your pc may be different) Then change directory to sources.
Do not run setup from Z: as it starts Windows 11 installation.
Z:\sources>setup
Windows 10 installation starts.
OR TYPE THIS
DISKPART>list vol
sel vol 6
Click to expand...
list partition
Click to expand...
sel partition 3(you have to select partition named as windows10)
active
Click to expand...
Either restart from this point to install windows 10 or continue , change directory by typing
DISKPART>Z:
Z:>setup
Windows 10 installation starts.
 
Windows Build/Version
Windows 11 v22H2 OS build 1555

My Computer

System One

  • OS
    Window 11 v24H2 Build 26085.1
    Computer type
    PC/Desktop
    Manufacturer/Model
    ASSEMMBLED
    CPU
    Intel Pentium CPU G620@ 2.60 GHz
    Motherboard
    DAICHI
    Memory
    6 GB
    Graphics Card(s)
    Onboard
    Sound Card
    Onboard
    Monitor(s) Displays
    LG
    Screen Resolution
    1366x768
    Hard Drives
    Toshiba HDD 1 TB
    Keyboard
    Mechanical
    Mouse
    Mechanical
    Internet Speed
    700 kb/s
    Browser
    Microsoft EDGE, CHROME
    Antivirus
    Microsoft Defender
In this guide, you will learn the steps to create a USB flash drive to boot a computer to install Windows 11 or Windows 10.

 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Pavilion
    CPU
    AMD Ryzen 7 5700G
    Motherboard
    Erica6
    Memory
    Micron Technology DDR4-3200 16GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3060
    Sound Card
    Realtek ALC671
    Monitor(s) Displays
    Samsung SyncMaster U28E590
    Screen Resolution
    3840 x 2160
    Hard Drives
    SAMSUNG MZVLQ1T0HALB-000H1
@Ramesh Sharma

No need for any of that even for creating a W10 installation. Why would you use a W11 disk since you must have a W10 iso in order to install it.

Simply boot any Windows 10 ISO and select repair system --> choose command prompt.

Then diskpart, select disk, clean, convert gpt, create partition efi, format it fat32, create partition primary, format ntfs quick.

Then assign the windows partition to letter Y and the efi partition to letter S
exit diskpart , now simply dism /Apply-Image. When that finishes install the bootloader to S via bcdboot.

This will create a bog standard W10 installation -- plenty of examples on this forum on how to run dism.exe /Apply-Image and bcdboot.

You can also install to an external USB disk drive giving you a WintoGO system too. You can also install to vhdx (physical virtual disk files) if you so wish. Simply run the dism /Apply-Image to a partition on the external drive and load the bootloader to a partition on it too. Same procedure if using vhdx files whether on internal or external drives.

Not sure why you in any case would install Windows on an MBR disk if you absolutely didn't have to -- especially these days with larger HDD's -- MBR disks are limited to a max of 4 partitions, no limit with gpt disks.

If you DO have only MBR (BIOS) system then don't create the efi partition and when installing the bootloader use the /f MBR parameter. Create a small (also fat32) partition for the boot loader instead of an efi one and assign letter=S.



Cheers
jimbo
 
Last edited:

My Computer

System One

  • OS
    Windows XP,7,10,11 Linux Arch Linux
    Computer type
    PC/Desktop
    CPU
    2 X Intel i7
Ramesh Sharma said:
Use 32gb external USB flash drive to make bootable Windows 11 as follow:-
From Windows 11 or Window 10 os, run cmd as administrator. Type Diskpart>list disk.
Type following commands one by one pressing enter after each command.
Please note drive letter and volume number of external USB as seen your pc.
DISKPART>select disk 1
DISKPART>clean






Now mount isos of Windows 10 and Windows 11.
Run diskmanagement and right click on NTFS partition and create new simple volume of size 10 GB size and format it as NTFS , lable this partition as Windows 10. Suppose drive letter is M.Now open Windows 10 mounted iso and
copy all folders and files to NTFS parttion M:
Now copy all files and folders of Windows 11 mounted iso to NTFS partition Y:
Copy all files and folders except sources folder from Windows 11 mounted iso to FAT32 parttion X:
Manually create sources folder in X: partition and then cut boot.wim from Y: \sources and paste into X:\sources.
Boot from this bootable drive. To install Windows 10 Press shift F10 at install screen and you get screen c:\windows\system32>
c:\windows\system32>DISKPART
DISKPART >list volume
DISKPART>sel vol 6 (may be different in your pc, this is drive letter of external bootable usb)
DISKPART>Z: (drive letter in your pc may be different) Then change directory to sources.
Do not run setup from Z: as it starts Windows 11 installation.
Z:\sources>setup
Windows 10 installation starts.
OR TYPE THIS
DISKPART>list vol



Either restart from this point to install windows 10 or continue , change directory by typing
DISKPART>Z:
Z:>setup
Windows 10 installation starts.
Click to expand...

Ramesh Sharma said:
Use 32gb external USB flash drive to make bootable Windows 11 as follow:-
From Windows 11 or Window 10 os, run cmd as administrator. Type Diskpart>list disk.
Type following commands one by one pressing enter after each command.
Please note drive letter and volume number of external USB as seen your pc.
DISKPART>select disk 1
DISKPART>clean






Now mount isos of Windows 10 and Windows 11.
Run diskmanagement and right click on NTFS partition and create new simple volume of size 10 GB size and format it as NTFS , lable this partition as Windows 10. Suppose drive letter is M.Now open Windows 10 mounted iso and
copy all folders and files to NTFS parttion M:
Now copy all files and folders of Windows 11 mounted iso to NTFS partition Y:
Copy all files and folders except sources folder from Windows 11 mounted iso to FAT32 parttion X:
Manually create sources folder in X: partition and then cut boot.wim from Y: \sources and paste into X:\sources.
Boot from this bootable drive. To install Windows 10 Press shift F10 at install screen and you get screen c:\windows\system32>
c:\windows\system32>DISKPART
DISKPART >list volume
DISKPART>sel vol 6 (may be different in your pc, this is drive letter of external bootable usb)
DISKPART>Z: (drive letter in your pc may be different) Then change directory to sources.
Do not run setup from Z: as it starts Windows 11 installation.
Z:\sources>setup
Windows 10 installation starts.
OR TYPE THIS
DISKPART>list vol



Either restart from this point to install windows 10 or continue , change directory by typing
DISKPART>Z:
Z:>setup
Windows 10 installation starts.
Click to expand...

Ramesh Sharma said:
Use 32gb external USB flash drive to make bootable Windows 11 as follow:-
From Windows 11 or Window 10 os, run cmd as administrator. Type Diskpart>list disk.
Type following commands one by one pressing enter after each command.
Please note drive letter and volume number of external USB as seen your pc.
DISKPART>select disk 1
DISKPART>clean






Now mount isos of Windows 10 and Windows 11.
Run diskmanagement and right click on NTFS partition and create new simple volume of size 10 GB size and format it as NTFS , lable this partition as Windows 10. Suppose drive letter is M.Now open Windows 10 mounted iso and
copy all folders and files to NTFS parttion M:
Now copy all files and folders of Windows 11 mounted iso to NTFS partition Y:
Copy all files and folders except sources folder from Windows 11 mounted iso to FAT32 parttion X:
Manually create sources folder in X: partition and then cut boot.wim from Y: \sources and paste into X:\sources.
Boot from this bootable drive. To install Windows 10 Press shift F10 at install screen and you get screen c:\windows\system32>
c:\windows\system32>DISKPART
DISKPART >list volume
DISKPART>sel vol 6 (may be different in your pc, this is drive letter of external bootable usb)
DISKPART>Z: (drive letter in your pc may be different) Then change directory to sources.
Do not run setup from Z: as it starts Windows 11 installation.
Z:\sources>setup
Windows 10 installation starts.
OR TYPE THIS
DISKPART>list vol



Either restart from this point to install windows 10 or continue , change directory by typing
DISKPART>Z:
Z:>setup
Windows 10 installation starts.
Click to expand...
Corrections:-In this thread, c:\windows\system32 should be replaced by X:\sources.
Type exit at DISKPART and then change drive letter as seen in your pc. This should be:-
DISKPART>exit (press enter after each command)
X:\sources>Z:
Z:\>cd sources
Z:\sources>
 

My Computer

System One

  • OS
    Window 11 v24H2 Build 26085.1
    Computer type
    PC/Desktop
    Manufacturer/Model
    ASSEMMBLED
    CPU
    Intel Pentium CPU G620@ 2.60 GHz
    Motherboard
    DAICHI
    Memory
    6 GB
    Graphics Card(s)
    Onboard
    Sound Card
    Onboard
    Monitor(s) Displays
    LG
    Screen Resolution
    1366x768
    Hard Drives
    Toshiba HDD 1 TB
    Keyboard
    Mechanical
    Mouse
    Mechanical
    Internet Speed
    700 kb/s
    Browser
    Microsoft EDGE, CHROME
    Antivirus
    Microsoft Defender
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