Microsoft Office LTSC (Long-Term Servicing Channel) Professional Plus 2021 is a version of Microsoft Office that is designed for organizations that require a stable and consistent version of Office for a longer period. Activating Office LTSC Professional Plus 2021 is a crucial step to unlock its full features and ensure compliance with Microsoft's licensing terms. This report provides a step-by-step guide on how to activate Office LTSC Professional Plus 2021 using the Command Prompt (CMD).