Replace <product_key> with the following generic product key:
Activating MS Office 2013 without a product key using CMD is a temporary solution that may help you use the software without a valid product key. However, we strongly recommend purchasing a genuine copy of MS Office 2013 with a valid product key to avoid any limitations and risks.
Press Enter to execute the command.
How to Activate MS Office 2013 Without Product Key Using CMD**