Add Boot Option Windows 11 [best] -

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

Then set the partition and OS path:

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

Note: Easier to use GRUB. But for direct boot: bcdedit /enum firmware Scenario A: Add another Windows