Boot from USB is more faster than boot from CD Drive. You can easily install Windows XP from a Pen drive by making your Pen Drive Bootable. Here is the process to make Bootable Pen Drive.
Requirements to create bootable Windows USB:
# Windows XP/ 7 / Vista ISO
# Any free tool like WinToFlash tool ,USBMultiboot10.
# Pen drive with 4GB+ (2 GB is sufficient for XP)
# 15 Minutes of free time
Procedure:
1. Insert your USB flash/pen drive to your system and backup all the data from the USB as your USB drive will be formatted during the process.
2. Any free tool like WinToFlash tool ,USBMultiboot10.
3. Run the tool, and browse to your Windows 7, Vista, or XP DVD files (make sure that your USB drive letter is correct).
4. Click Create button to begin the bootable USB process. Wait for few minutes to see the bootable USB.
5. That’s all! congrats u make boot-able Pen drive.
Note : During the installation process never disconnect the pen drive from USB port until the first time windows desktop appear.
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