A one-time activation key used for a specific number of devices. Microsoft Learn How to activate officially: Open any Office app like Word. File > Account Change Product Key

Cómo Activar Microsoft Office LTSC Professional Plus 2021: Guía Completa

, donde podrás especificar el tipo de licencia (LTSC Professional Plus 2021) y tu clave MAK. Activate volume licensed versions of Office by using MAK

For organizations and individuals with valid licenses, Microsoft provides two primary methods for volume activation: Key Management Service (KMS):