Teamspeak Support :: How to use a privilege key in TeamSpeak 3
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Open the Privilege Key WindowOn the menu bar at the top of TeamSpeak 3 select "Permissions" and then select the "Use Privilege key" option.
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Enter In the KeyThis is where you'll take the key you either got from your hosting provider or your friend and enter it here.
SuccessIf successful, you will see a pop up that says "Privilage Key Successfully used."

