: If you have a valid 25-character key, you can link it to your account at office.com/setup.
: If Office is already installed, you can try finding your key using the Command Prompt (CMD) by running wmic path softwarelicensingservice get OA3xOriginalProductKey as an administrator. : If you have a valid 25-character key,
How to find product key for Microsoft Office already installed : If you have a valid 25-character key,
: Microsoft offers a free online version of Office that includes Word, Excel, and PowerPoint without needing a product key or local installation. Troubleshooting & Key Recovery : If you have a valid 25-character key,