Locate your Office 2016 product and click View product key or Install to see the 25-character code.
If Office came pre-installed (OEM), use this command to find the original key embedded in the hardware's BIOS: wmic path softwarelicensingservice get OA3xOriginalProductKey . Index Of Ms Office 2016 Product Key
Nonprofits can get Office 365 donated via TechSoup – deeply discounted or free. Locate your Office 2016 product and click View