They have a very obvious advantage: the software is bootable and you can boot your computer without installation disc or recovery drive. Nowdays, there are many similar software, such as, Lenovo OneKey Recovery, Dell Backup and Recovery Manager, HP Recovery Manager and so on. One key Recovery software is a preinstalled backup and restore program in specific operating system. How amazing it is! What is one key recovery software? Because it contains a initial backup when you get your computer for the first time. Within Lenovo onekey recovery software, you can directly factory reset Lenovo desktop or laptop without CD/DVD, even if you never create a system image. For example, they designed one key recovery software to replace the system repair disc for Windows 7/8/10.
With computer production becoming fiercer, most computer producers improve their technique.