Download the appropriate Office Volume License Pack executable from the Microsoft Download Center for each Office version you need to activate. Run the executable—it installs the package on the KMS host and automatically opens the Volume Activation Tools wizard.
Key Management Service (KMS) is a volume activation model designed for organizations that want to manage software activation within their own network. It operates on a client-server architecture where a "KMS host" resides on the local network to validate and activate individual "KMS clients". microsoft office 365 kms
✅ Adding Office KMS support to an existing Windows KMS host is the best option—it requires no additional work beyond installing the Office KeyManagementServiceHost.exe and activating the Office KMS host key. microsoft office 365 kms