// Open root directory Status = Volume->OpenVolume(Volume, &Root); if (EFI_ERROR(Status)) return Status;
// Open simple file system on the same device (ESP) Status = gBS->HandleProtocol(LoadedImage->DeviceHandle, &gEfiSimpleFileSystemProtocolGuid, (VOID**)&Volume); if (EFI_ERROR(Status)) return Status; bootloader for windows 10
// Open Windows Boot Manager file Status = Root->Open(Root, &File, L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi", EFI_FILE_MODE_READ, 0); if (EFI_ERROR(Status)) Print(L"Error: bootmgfw.efi not found\n"); return Status; if (EFI_ERROR(Status)) return Status
// Build full device path (file path appended) EFI_DEVICE_PATH_PROTOCOL *FullPath = FileDevicePath(LoadedImage->DeviceHandle, L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi"); bootloader for windows 10
// Load and start bootmgfw.efi Status = gBS->LoadImage(FALSE, ImageHandle, FullPath, NULL, 0, &BootMgrHandle); if (EFI_ERROR(Status)) return Status;