Check if Windows virtual machine has EFI/UEFI or Legacy BIOS firmware interface

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  1. Launch a Windows virtual machine.
  2. Click the Search icon on the Taskbar and type in  msinfo32, then press Enter.

  3. System Information window will open. Click on the System Summary item.

    Then locate BIOS Mode and check the type of BIOS, Legacy or UEFI.

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