G8v190001046

I lock myself out of the app how do I find my Serial number 2 or 3 numbers in the back of the grass off I have serial number G8v190001046 that I need for my cam to play live stream of my apt when I am gone . thank Juan I have mac number as C8:6c:3d:9c:43:73
Telling me we can go crazy for 3 day in his apt . 3d: mean day and that why he rebound the apt next Juan is asking 14,000C8 AND PERSION TIME3D .