How to retrieve Windows software license keys

Locate lost software product keys on Windows using Command Prompt, PowerShell, or registry analysis. Step-by-step recovery guide for modern Windows versions.

1. Launch Command Prompt with elevated privileges. Press the Windows key and type 'cmd'. Right-click the Command Prompt result and select Run as administrator. Confirm the User Account Control prompt to gain full system access.
2. Extract the Windows OS product key via WMI. Within the Command Prompt window, type the following command: wmic path softwarelicensingservice get OA3xOriginalProductKey. Press Enter to execute. The system will display your OEM-embedded Windows license key directly below the command.
3. Prepare PowerShell for registry key extraction. Open the Start menu, type 'PowerShell', right-click the application, and select Run as administrator. If your execution policy blocks scripts, run 'Set-ExecutionPolicy RemoteSigned' and confirm with 'Y' to allow local script execution.
4. Execute a registry query script for software keys. Paste the following script into the PowerShell window: (Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform').BackupProductKeyDefault. Press Enter to view the stored license string.
5. Check the Windows Registry Editor manually. Press Win + R, type 'regedit', and click OK. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion. Inspect the 'DigitalProductId' entry for alphanumeric strings that signify a license key.