XProtect Essential was discontinued June 8, 2017 meaning it is no longer possible to register it. But did you know that there is an even better, free product called XProtect Essential+?
XProtect Essential+ contains all of the features you know from XProtect Essential, plus support for third-party applications and a wide range of advanced capabilities. Downloading it is easy, and then you’re ready to go. No registration or re-registration needed.

Why not get started now?