LTSC is Long-Term Servicing Channel, while LTSB is Long-Term Servicing Branch.

In the tables that follow, you will find the GVLKs for each version and edition of Windows.

To install a client product key, open an administrative command prompt on the client, and run the following command and then press Enter: slmgr /ipk įor example, to install the product key for Windows Server 2022 Datacenter edition, run the following command and then press Enter: slmgr /ipk WX4NM-KYWYW-QJJR4-XV3QB-6VM33 If you are converting a computer from a KMS host, MAK, or retail edition of Windows to a KMS client, install the applicable product key (GVLK) from the list below. Get help to find your Windows product key and learn about genuine versions of Windows. You will need to use another method of activating Windows, such as using a MAK, or purchasing a retail license. 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 client), these keys will not work. If you don't already have a KMS host, please see how to create a KMS host to learn more. To use the keys listed here (which are GVLKs), you must first have a KMS host available on your local network.

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