This video tutorial is in the Computers & Programming category which will show you how to install Windows XP from a USB flash disk drive. First download USB multiboot from 911cd. Insert the XP disk and plug in the USB flash disk into your PC. Format the USB flash disk. For this click on "RMPrepUSB" and the HP format tool should pop up. Do a quick format to USB drive with ntfs file system. Close HP format tool and click go. Now you have a Windows XP bootable USB flash disk drive.