If you are building this as a desktop utility (e.g., using Electron or Python), the workflow should be: a shell command to fetch the key from the OS.
Scripts that extract product keys are often flagged as "Potentially Unwanted Programs" (PUPs) by Windows Defender. Download KEY WINDOWS txt
the user for a save location or automatically trigger the download. ⚠️ Security Considerations If you are building this as a desktop utility (e
Fetching the key usually requires Administrative privileges . using Electron or Python)