Create bootable Windows 10 USB

win10bootusb.md

Create a bootable Windows 10 USB drive (handles images >4GB):

Download Windows install ISO and insert USB drive. Open Administrator command window. Run diskpart:

Microsoft DiskPart version 10.0.19041.610

Copyright (C) Microsoft Corporation.
On computer: ABYSS

DISKPART> list disk

  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 0    Online         1863 GB  1024 KB        *
  Disk 1    Online           14 GB    13 GB

DISKPART> select disk 1

Disk 1 is now the selected disk.

DISKPART> clean

DiskPart succeeded in cleaning the disk.
DISKPART> conv mbr

DiskPart successfully converted the selected disk to MBR format.

DISKPART> create partition primary offset=32 size=1000

DiskPart succeeded in creating the specified partition.

DISKPART> format fs=fat32 quick label=WIN10
  100 percent completed

DiskPart successfully formatted the volume.

DISKPART> assign letter=X

DiskPart successfully assigned the drive letter or mount point.

DISKPART> active

DiskPart marked the current partition as active.

DISKPART> create partition primary

DiskPart succeeded in creating the specified partition.

DISKPART> format fs=exfat quick label=WIN10EX

  100 percent completed

DiskPart successfully formatted the volume.

DISKPART> assign letter=Y

DiskPart successfully assigned the drive letter or mount point.

DISKPART> exit

Leaving DiskPart...

Update the boot code:

> bootsect /NT60 X: /MBR
Target volumes will be updated with BOOTMGR compatible bootcode.

X: (\\?\Volume{3ab47fec-36fc-11eb-b202-9848272e2061})

    Successfully updated FAT32 filesystem bootcode.

\??\PhysicalDrive1

    Successfully updated disk bootcode.

Bootcode was successfully updated on all targeted volumes.

Now mount the install ISO.

• Copy all ISO contents to the the EXFAT partition (Y:).
• Copy all ISO contents except sources to the FAT32 partition (X:).
• Create X:\sources and copy boot.wim from the ISO into it.

Eject the ISO and USB volumes.

Stucked at win logo since forever..
Label= X/Y cannot change to others?
I used installation cd and it's X:sources .X already in uaes.
Ed: using win10ltsc iso