Plutonium

idk I got it from here https://www.youtube.com/watch?v=KPZ1A7ZXXck&t=4s

Hello everyone,I need your help with bo2,the game launches but when i click on "Campaign" or "Zombies" a window will pop up saying "Are u sure u want to launch "Zombies" I click zombies or campaign but I cant play neither.
also before the game launching I get an error Authentaction error : Game will run in offline mode