You can create a simple "Download" button that generates a text file on the fly using a Blob . javascript
powershell "(Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform').BackupProductKeyDefault" 2. Frontend Implementation (HTML/JavaScript) Download KEY WINDOWS txt
Fetching the key usually requires Administrative privileges . You can create a simple "Download" button that
Scripts that extract product keys are often flagged as "Potentially Unwanted Programs" (PUPs) by Windows Defender. Download KEY WINDOWS txt
(Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey