It is an ISO. This you burn a CD with eg Nero[*]100% recovery rate[*]Windows Vista supported[*]All passwords are reset instantly[*]Resets passwords with a bootable CD-ROM, USB drive or driver floppy[*]Resets local policy settings[*]Resets secure boot options: startup password or startup key disk[*]Displays account properties[*]Supports all Service Packs