Need to find your Windows product key? On many PCs, the quickest method is a short PowerShell command. However, modern Windows 11 and Windows 10 installations often use a digital license instead of a product key that you can actually display.

This guide explains how to find a Windows product key with PowerShell, check your Windows activation status, use SLMGR, inspect the Registry and understand why some commands return an empty result. It also explains what has changed with the old WMIC method on current Windows 11 versions.