Advanced Mode: For tech-savvy users, the "Professional" tab offers manual configuration options, such as installing GVLK keys or setting up specific KMS service parameters.

KMSAuto Net 2015 1.3.9 works by emulating a KMS host on the local network. When you run the tool, it automatically detects the version of Windows or Office you're using and generates a KMS activation key. This key is then used to activate the software, allowing you to access all the features and updates.