Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Computers that activate with a KMS host need to have a specific product key. Computers that are running volume licensing editions of Windows Server and Windows client are, by default, KMS clients with no extra configuration needed as the relevant GVLK is already there.

There are some scenarios, however, where you will need to add the GVLK to the computer you wish to activate against a KMS host, such as:. If you want to activate Windows without a KMS host available and outside of a volume-activation scenario for example, you're trying to activate a retail version of Windows clientthese keys will not work. You will need to use another method of activating Windows, windows server 2012 standard product key freefree as using a MAK, or purchasing a retail license.

Get help to find your Windows product key and learn about genuine versions of Windows. To install a client product key, open an administrative command prompt on the client, and run the following command and then windows server 2012 standard product key freefree Enter :.

For example, to install the product key for Windows Server Datacenter edition, run the following command and then press Enter :. See the Windows lifecycle fact sheet for information about supported versions and end of service dates. Skip to main content. This browser is no longer supported.

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