https://www.thomasmaurer.ch/2015/12/how-to-create-windows-windows-server-bootable-usb-media-for-deployment-on-uefi-based-systems/

When you were create a USB media for PCs, notebooks and servers which were using BIOS you could use several tools to do this. Now most of the tools do not really create a USB media drive which can be used to boot and install Windows or Windows Server on a UEFI based system such a new servers and for example the Surface Pro line. But it is very simple to do this now, just follow this steps:

• The USB drive has to be formatted in FAT32
• The USB needs to be GPT and not MBR
• Copy all files from the ISO to the USB drive
•