: Run CMD as administrator and enter: wmic path softwarelicensingservice get OA3xOriginalProductKey to find keys pre-installed on your hardware.
If you specifically want a free, offline experience without the limitations of web apps, consider these full-featured alternatives:
: Includes real-time collaboration, auto-saving to OneDrive, and modern AI tools like PowerPoint Designer.
: On Windows, you can quickly open this interface by pressing Alt + Windows + Ctrl + Shift simultaneously. 2. Microsoft 365 Developer Program (Full Desktop Apps)