bcdedit /create /d "Windows 10 on D:" /application osloader This returns a GUID like xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx . Copy it.

bcdedit /set GUID device partition=D: bcdedit /set GUID osdevice partition=D: bcdedit /set GUID path \Windows\system32\winload.efi bcdedit /displayorder GUID /addlast

bcdedit /create /d "Ubuntu Linux" /application osloader bcdedit /set GUID device partition=G: bcdedit /set GUID path \ubuntu\vmlinuz bcdedit /set GUID options "root=/dev/sda3 ro"

Then set the partition and OS path:

bcdedit /enum firmware Scenario A: Add another Windows installation (e.g., Windows 10 on D:)

Add Boot Option Windows 11 [SAFE]

bcdedit /create /d "Windows 10 on D:" /application osloader This returns a GUID like xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx . Copy it.

bcdedit /set GUID device partition=D: bcdedit /set GUID osdevice partition=D: bcdedit /set GUID path \Windows\system32\winload.efi bcdedit /displayorder GUID /addlast add boot option windows 11

bcdedit /create /d "Ubuntu Linux" /application osloader bcdedit /set GUID device partition=G: bcdedit /set GUID path \ubuntu\vmlinuz bcdedit /set GUID options "root=/dev/sda3 ro" bcdedit /create /d "Windows 10 on D:" /application

Then set the partition and OS path:

bcdedit /enum firmware Scenario A: Add another Windows installation (e.g., Windows 10 on D:) Windows 10 on D:)