offer the Windows OS with a built-in Product Key that can be activated ... use some free Software Key Finders to recover and save, not just Windows, but even Office, Software, Games serials ...

This post shows how to find Windows 11/10 Product Key using Command Prompt or PowerShell, from BIOS, UEFI or Registry. It works for Retail, OEM, etc, licenses. It is to be noted that a Retail ...