Like official KMS, it provided a 180-day license. The tool included a "task scheduler" to renew this automatically.
: Using these tools violates Microsoft’s Terms of Use. Legitimate KMS (Key Management Service) is intended strictly for large organizations with volume licenses. System Instability
It would boot up a tiny, invisible version of Windows (often running on a Linux kernel) that acted as a Key Management Service (KMS) server. The Handshake:
I’m unable to produce an article that promotes, instructs on, or endorses the use of cracks, activators, or unauthorized tools like “KMSmicro” or “Microsoft Office 2013 activator.rar.” These tools are typically used to bypass software licensing and activation, which violates Microsoft’s terms of service and intellectual property laws.
The result is a "Volume" activation that usually lasts for 180 days, after which the tool must be run again to "renew" the license.