Despite its utility, using KMSAuto Net carries substantial risks: Security Vulnerabilities:

Developed by Ratiborus, KMSAuto Net is based on Microsoft's own KMS technology. In a corporate environment, a KMS server is used to activate large numbers of computers on a local network. KMSAuto Net essentially emulates this server on your local machine, "tricking" the operating system or Office suite into believing it has been validated by an official corporate server. Key Features of V1.4.9

KMSAuto Net 2016 V1.4.9: A Complete Guide to the Windows & Office Activator