How to use CCD, CUE, and IMG

How do I install, use, extract, or whatever your supposed to do with these files? Its a game and I dont know how or what to do with these things??

Before answering your question (which you could do for yourself if you bothered to use the forum’s search function), perhaps you’d like to tell us what game it is and how you obtained the files since, obviously, you didn’t make them yourself for the purpose of making a back-up copy of a game you own.