

Replace # with the actual # you got from step 3 above. Type in the following commands to properly format the flash drive. And type list disk and make a note of the disk # for the USB drive.Ĥ. Type diskpart to start the diskpart built-in utility.

Press Win+X and choose Command Prompt (Admin) from the list.ģ.

Connect the USB flash drive to your computer, of course.Ģ. This is a tutorial to show you how to make such flash drive with and without the help of 3rd party tool. If you want to install a clean copy of Windows 8 or Windows 8.1 on a UEFI-enabled computer, you will need a UEFI bootable USB flash drive to start with. UEFI is nothing new, but it is first time introduced in Windows 8.
