: KMS activation is used for volume licensing of Microsoft products. It requires a KMS host (a server that runs a KMS service) on the local network. Clients then activate by contacting this KMS host.

The scene has fragmented into:

If you're looking for a list of KMS activation commands or keys for various Windows or Microsoft Office versions that might be included in AIO releases, here are some general points:

Windows is basically free now. The unactivated version lacks personalization but runs everything. Or spend $15 on an OEM key. The days of needing KMS AIO are gone.