This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. KMS activation relies primarily on the proper setup and operation of one or more computers with the KMS enabled. KMS hosts, running either Windows Vista or Windows Server “Longhorn,” must be enabled by installing the customer-specific volume license key.
![Implementing KMS Activation](https://cdn-ak-scissors.b.st-hatena.com/image/square/d6e4cb632c7025e9f5e05fd314fbf6dcd6144e8d/height=288;version=1;width=512/https%3A%2F%2Flearn.microsoft.com%2Fen-us%2Fmedia%2Fopen-graph-image.png)