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Here my solution, just extract and run the 'Kunoichi 1.4a.bat', select option 1 to run the proxy then launch the game, activate it by any fake product keys, select option 2 to stop proxy! You will need to run proxy or activate the game everytime you re-launch the game! If you are already activate the game at first time, so you only need to run proxy when the game launch, don't need to re-activate it! But if you forget to run proxy first, it will check for the validity of the key so the game will show as not activated, run the proxy to re-activate it again!