How to install Plutonium Mod - Plutonium Project In both cases, the way to fix this issue is to click on Game settings in the launcher and to select the folder that contains the Black Ops II files If you can't find it then read the guide from the start again
How to install Bo2 Plutonium without torrenting - Reddit Just install the files and then download the plutonium launcher and you can play! Another note: in order for the game to work properly you should put it in the My Games folder in Documents