1.Plug in USB
2.cmd as administrator
3.Diskpart
4.list disk
5.select disk # (replace # with USB disk number)
6.clean (to clean USB)
7.create partition primary (to create a bootable partition)
8.select partition 1 (to select the partition that you just created)
9.active
10.format fs=fat32 (or format fs=ntfs for more than 4 GB) (to format the USB drive)
11.assign
12.exit (exit diskpart)
13.copy all files from ISO and paste it inside the USB drive