make usb bootable with out any sofware

hello, friends, do you want to do a fresh install of windows on to your pc , if yes , the first thing that you are going to need is a bootable media through which you can boot to windows setup..
there are two types of Media from which , we usually boot through
1-) CD or DVD
2-) USB
now today i am going to show or teach how to create a bootable USB from scratch (no softwares Needed)…
1-) A Usb of 4gb or more capacity , for 64bit – 6gb or more
2-) Windows Iso image
3-) A computer with Administrator Privileges
4-) Backup all important files of the usb ( you are going to lose them.)
1-) Open run / Press Windows Key + R
2-) Type “diskpart” in the box and press enter
3-) A new Black window Will popup
4-) Put the Usb in to the computer
5-) Type “list disk”
6-) a list will appear , you must have a partition with the same capacity as your Usb
7-) type “select disk 1” (Replace the Disk number with your disk number)
8 -) Type “clean“
9-) Type “create partition primary“
10-) Type “select partition 1“
11-) Type “active“
12-) Type “format fs=ntfs‘
13-) Type “assign“
14-) now type “exit” to close the window
15-) now extract all the contents of the iso to your pendrive.