Created
January 11, 2026 01:26
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Setup Windows dual boot single boot manager
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| # In Diskpart | |
| clean | |
| convert gpt | |
| create partition efi size=200 | |
| format quick fs=fat32 | |
| create partition msr size=16 | |
| create partition primary | |
| format quick fs=ntfs | |
| assign | |
| # Mount a Windows installation ISO, use the virtual media drive letter for the following | |
| Get-WindowsImage -ImagePath <DRIVELETTER>:\sources\install.wim | |
| # Use the drive letter assigned by diskpart for the following and the index for the desired Windows edition as displayed by the previous command | |
| Expand-WindowsImage -ImagePath <DRIVELETTER>:\sources\install.wim -Index <WINEDITIONINDEX> -ApplyPath <TARGETVOLUME> | |
| #Set up the existing Windows Boot loader to have the new installation as an entry | |
| bcdedit -copy "{current}" -d "Windows 11 New Label" | |
| bcdedit | |
| # Note the GUID of the copied entry and use it in the following commands | |
| bcdedit -set "{COPIED_ENTRY_GUID}" device partition=F: | |
| bcdedit -set "{COPIED_ENTRY_GUID}" osdevice partition=F: |
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