| There are many ways to install your operating system | | | | bootable from command prompt. Diskpart is a |
| in your computer. But if you want to install Windows 7 | | | | command that allows you make primary partition in |
| and Windows XP from your USB device then follow | | | | your usb drive and make it bootable. You can find all |
| the link below and let me know what about the | | | | the necessary commands to make your usb drive |
| process. | | | | bootable from the source How to Install Windows 7 |
| By the above link you can understand the total way of | | | | from Usb Flash Drive Without Any Software |
| installing the operating system from usb disk. What | | | | But in windows XP the diskpart command does not |
| happens when you want to install any OS. You must | | | | work properly. So you can use a application to make |
| use some bootable storage device to install Windows. | | | | your usb drive eligible for installing Windows 7 from it. |
| But by default the USB device is not bootable if you | | | | You can use Win to Flash for this purpose. To get |
| just copy the installation files in the usb drive. So you've | | | | more details visit the following link. |
| make the usb device first bootable and then you can | | | | Install Windows XP from USB Flash/Pen Drive part-I |
| install the operating system. I've found those above | | | | Some time the above software may not work. So |
| links as best tutorial to install Windows from USb | | | | you can follow another process: |
| device. | | | | Install Windows XP From USB Flash Drive Part-II |
| You can install Windows 7 from usb device making it | | | | If you face any problem please comment us. |