Check the option “ Create a bootable disk using: ISO Image,” and click the icon next to it to pick up the ISO image file.Ĥ. Since it’s portable, you can simply just download and run it.ģ. Plug in your USB flash drive, of course.Ģ. You can make a bootable drive that can directly boot off on a UEFI computer without turning the Secure Boot off. Rufus, one of the 4 tools we mentioned to build bootable USB flash drive, is a small utility that creates bootable USB flash drive for Windows 7 or 8. What makes Rufus different is that it offers three different partition scheme to target the system type, such as those UEFI-based computers. If, for some reasons, it doesn’t work, move to: Option 2: a tool comes to rescue Now, you can boot off from this USB flash drive and start a fresh installation. Sounds tedious, isn’t it? So let’s put an easy way, you can directly download this file (direct download link) and copy to your efioot folder. You will need to copy a file called bootmgfw.efi from inside install.wim file at sources folder to the efioot folder on USB flash drive and rename it to boot圆4.efi. One more extra step if you are making a 64-bit version of the installation. Figure 1 – Copying ISO content to USB flash driveĨ. Select everything in the ISO file, and copy them to the formatted USB flash drive you prepared earlier (Figure 1). If you don’t see Mount command from the context menu, go to Open With → Windows Explorer instead.ħ. Mount ISO file by right-clicking the ISO file and choosing Mount. Now close the Command Prompt window, and open File Explorer, browser through to the location where saves the Windows 8 installation ISO image file.Ħ. 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.

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