Convert MBR to GPT (vise versa) and Create EFI partition before installing Windows Using DiskPart

Tested on Windows 10 and Windows 7

Howto

• Press Shift+F10 to open Command Line (type this command)
• Type diskpart Enter. Diskpart will take a while to launch.
• Type list disk Enter A list of disks will be printed.
• Note the number next to yours (most likely 0). Select that disk: select disk 0 Enter.
• Clean
• convert gpt (vise versa)
• Create ESP –> create partition efi size=500 Enter (500 is partition size in MiB).
•  exit Enter. Exit Diskpart