Rather than messing with DISM, you can do this entirely from Windows 10's Settings app. To do so, open the Settings app from your Start menu, select "Update & Security," and select "Activation." Click the "Change Product Key" button here.
Rather than messing with DISM, you can do this entirely from Windows 10's Settings app. To do so, open the Settings app from your Start menu, select "Update & Security," and select "Activation." Click the "Change Product Key" button here.