To activate Microsoft Office LTSC Professional Plus 2021 using the Command Prompt (CMD), you must use the ospp.vbs script located in your Office installation folder. This process typically involves navigating to the correct directory, installing the Generic Volume License Key (GVLK), and pointing to a KMS host. Step-by-Step Activation via CMD Open Command Prompt as Administrator Search for CMD in the Windows search bar. Right-click Command Prompt and select Run as administrator. Navigate to the Office Directory
To set a port (default is 1688):
cscript ospp.vbs /dstatus
cscript ospp.vbs /dstatus
To verify that Office is activated:
slmgr /ipk <clave_de_producto>
cscript "C:\Program Files\Microsoft Office\Office16\ospp.vbs" /dstatus