Key Management Service (KMS) is a client-server model used by Microsoft to activate volume-licensed versions of Windows and Office. Instead of each computer connecting to Microsoft’s servers over the internet, they connect to a local within the organization’s network.
With the KMS host ready, you must configure your Windows 10 clients to use it. Windows 10 Volume edition clients come pre-installed with a . If a client has an OEM or Retail license, you must convert it first. windows 10 kms
While KMS is powerful, it is not the only volume activation method. Key Management Service (KMS) is a client-server model