If you are searching for it is important to note that version 13.1 is an extremely old legacy release. The official development of the original Hiren’s BootCD stopped at version 15.2 (released in November 2011).
Managing and repairing hard drives is a core function of Hiren's BootCD. hiren boot 13.1 download iso
The days of burning CDs are over. The modern ISO is designed to be "Rufus-ready." You can flash it onto a small 4GB USB stick and carry a full PC repair suite in your pocket. If you are searching for it is important