How to identify, prevent and remove rootkits in Windows 10

Attackers use rootkits to hide malware on a device in a way that allows it to persist undetected over time, sometimes for years. During that time, it can steal data or resources, or surveil communications. Operating system-based rootkits are scary enough, but firmware rootkits even more so. Both seek to persist, hide and evade from processes and procedures to eradicate them.