You have to re-pack the files into a new ISO file and then write the ISO file USB.
If you simply copied thoese files or folders to an external USB, the computer won't boot from it. You will see the typical folder structure of Windows ISO file like this:
Create Bootable USB from Windows Install DVD 1: ISO EditorĬreate Bootable USB from Windows Install DVD 2: WinUSBĬreate Bootable USB from Windows Install DVD 3: UNetbootinĬreate Bootable USB from Windows Install DVD 4: RufusĬreate ISO Image File from Windows Install DVD Discīefore getting started to make a bootable USB, we need to create a new ISO file from the files sit on DVD disc.