1. Open the command line in administrator mode and switch to the installation path of Office.

C: \ program files \ Microsoft office \ office15 (2016 means Office 16).

(32-bit system +32-bit office 20 13/20 16, or 64-bit system +64-bit office 20 13/20 16).

C: \ program files (x86) \ Microsoft office \ office15 (2016 means Office 16).

(64-bit system +32-bit office 20 13/20 16)

2. Specify KMS server:

Cscriptospp.vbs/sethst: xxxxx (xxxxx is replaced with KMS server address).

3. Activate Office 20 13/20 16:

cscript ospp.vbs /act