A server is a legitimate Microsoft technology that allows organizations to activate Windows and Office on a local network without sending each machine to Microsoft's online servers. Clients check in with the KMS host every 180 days.

This article is for educational purposes only. Activating software via third-party servers may violate software license agreements and local laws.

Users generally report mixed experiences with this activation method:

: Using public KMS servers to activate Windows or Office without a genuine Volume License key is a violation of Microsoft's Terms of Service and is considered software piracy.

If you wish to clear this server and return your system to its default state, you can run the following command in an Administrator Command Prompt: slmgr /ckms (This clears the KMS server name and resets the port to default).