How to create bootable Windows 8 USB Stick using DISKPART

Gone are the days, when we used to burn CD and DVDs to install operating systems. Now all modern operating systems lets you install using PEN Drive / USB Storage Device / USB Stick. And this article describes step by step guide to format and create bootable Windows Vista / Windows 7 / Windows 8 USB Stick.
Windows Vista / Windows 7 / Windows 8 ISO or installation files

Prerequisites:

•           A 4GB USB 2.0 Storage device (Its recommended to use USB 2.0 or USB 3.0 device for optimal performance)

How To:

         1.Plug your USB storage device. and run Command Prompt and execute the following commands one by one.

Diskpart

Run Disk partition utility

List disk

To get disk index that is used to perform disk partitioning.

Select disk n

Selects disk n to perform disk partitioning. n is the number for your USB flash drive you obtained from above command.

Clean

Flush your existing all USB drive’s partitions.

Create partition primary

Creates a partition as primary partition.

Active

Set the partition as active to hold bootmgr.

Format FS=NTFS QUICK

Perform a quick format on the USB Flash drive

Assign

Assign a drive letter to the partition

Exit

To quit Diskpart utility
      2.Now copy all setup files to USB storage device… and that’s All.

      3.Re-boot your PC with it, you will be able to boot and install Windows Vista/Windows 7/Windows 8 using USB Stick.

Note: If you face any trouble to boot with it or unable to boot, try this FIX.

I:\Boot\Bootsect.exe /NT60 I:

Where I: is the drive letter of USB Stick