Along with using applications on your machine, weve listed additional places you could check to locate the key.

Open Command Promptby enteringcmdinto the Search field of the Taskbar and selectingCommand Promptin the results.

Open PowerShell by right-clicking theStart Menubutton and choosingWindows PowerShell (Admin)in the pop-up menu.

Windows Search cmd and Command Prompt in the results

If the User Account Control prompt displays, selectYesto use the program.

PressEnter, and youll see your product key to the right ofBackupProductKeyDefault.

A Command Prompt window in Windows with a command entered

A Windows 10 Command Prompt window showing the product key

Windows Start button Windows PowerShell (Admin)

A PowerShell window in Windows 10 with a destination entered

Windows 10 product key in PowerShell

Windows Search for regedit and Registry Editor in the results

A destination in Windows 11 Registry Editor

The “BackupProductKeyDefault” line in Windows 11 Registry Editor