This time, we will use Command Prompt.
First, check the requirements :
1. USB or Pendrive with minimum 4GB of capacity.
2. Windows 7 or Windows Vista DVD/CD.
3. A computer operated using Windows 7 or Windows Vista.
Second, simply follow the steps below :
Phase 1 : Format the USB
- Insert your USB
 - Open your Command Prompt as Administrator ( Right click then select 'Run as Administrator)
 
- Check for your USB drive number by enter the following command into your Command Prompt
 
diskpart
list disk
- The number for your USB driver will be listed. Check for your USB drive number as we will need this for next step.
 - Type the following command to format your USB.Change the number in "select disk" accordingly your USB drive number.
 
select disk 1 
clean
create partition primary
select partition 1
active 
format fs = NTFS
assign 
exit 
(do not close your Command Prompt)
         Your job for phase 1 has done. Now we move to phase 2
Phase 2 : Make The Drive  Bootable
- Insert your Windows 7 or Windows Vista DVD/CD into DVD drive.
 - Change the directory to your DVD drive by type the commands below in your Command Prompt (Please check your DVD drive first) :
 
e:
cd e:\boot
- Be careful, please take note your USB drive. I will take F: as my USB has been labelled as F:\ and type the following command in your Command Prompt :
 
bootsect /nt60 f:
- Close your Command Prompt
 
Phase 3 : Copying your Windows 7 or Windows Vista into your USB
- Copy all the files from your Windows installation DVD into your USB.
 - Select all > Copy > Paste into your USB.
 - Set your BIOS to Boot from USB.
 





