Put it last in a sign-in sequence, after the Classic Error Sound for the failed passwords, with the successful sign-in action immediately after it so the sequence ends on access granted.
關於此聲音
This is a very brief electronic chime, lasting just over a tenth of a second, with a clean, bright tone and no voice. It gives an instant feeling of familiarity and readiness, like a computer waking up and waiting for you. It is the sound associated with logging into Windows.