Note : Your USB Flash Drive Should have at least 4GB Disk Space & It should be formatted in NTFS File System.
Step - 1 ( format the USB Drive with CMD )
- Open Command Prompt with Admin Privilege.
- Assuming the letter of the USB flash drive is G:
- Command -
- diskpart
- list disk
- select disk 1 ( check Your Usb Drive Disk Number )
- clean
- create partition primary
- select partition
- active
- format fs=NTFS
Step - 2
- Insert Bootable Win 7/ Win 8 CD to DVD ROM
- Command - (find the Driver Letter For DVD ROM
- F: cd boot
- cd boot
- bootsect.exe /nt60 G: ( F: = DVD ROM / G: = USB Drive )
Step - 3
- Copy all the files and folders from DVD to USB Bootable Drive