diskpart list disk select disk 2 (example) clean convert mbr (or convert gpt for UEFI) create partition primary size=8000 (minimum) active format fs=ntfs quick assign letter=W exit Then extract ISO contents using 7-Zip or mount the ISO and copy all files to W:\ . Finally, run:
Save as make_bootable.txt :
select disk 2 clean create partition primary active format fs=ntfs quick assign letter=Z exit Run with: diskpart /s make_bootable.txt (verify disk number first). install windows 10 from external hard drive
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