Hiren's BootCD is a boot CD containing various diagnostic programs such as partitioning agents, system performance benchmarks, disk cloning and imaging tools, data recovery tools, MBR tools, BIOS tools, and many others for fixing various computer problems. It is a Bootable CD; thus, it can be useful even if the primary operating system cannot be booted.
Hiren's BootCD is an all-in-one bootable CD^[1][2][3] that has been described as "a first aid kit for your computer".^[4] Although it is advertised as a bootable CD, Hiren's BootCD can also be inserted into a computer running Windows and programmes launched straight from the BootCD. Hiren's BootCD is also known as HBCD.