User can create a boot disk only by downloading the boot program from the Microsoft website.
For more information, please refer to the following solution from Microsoft technical support website.
Article ID: 310994
Last Reviewed: October 24, 2001
Title: Windows XP Floppy Disk: Boot disk for booting and installation
Note: Windows XP Home Edition and Windows XP Professional require their own dedicated boot disk.
The boot disk of Home Edition cannot be used for Professional or vice versa.
Note:To create the boot disk, user must prepare six formatted floppy disks.