Diskpart Windows 10 Install //free\\

Your computer booted the Windows 10 installation media in Legacy BIOS mode, but the hard drive is formatted for modern UEFI mode (GPT).

Now, back in the command prompt, type exit again to close the prompt. You’ll return to the Windows Setup menu. diskpart windows 10 install

You’ll see a table with columns: Disk ###, Status, Size, Free, Dyn, Gpt. Your computer booted the Windows 10 installation media