I want to build my body.I have started going to gym recently and I am looking forward to having abs,biceps etc?

I want to have good abs,biceps,thighs,calf muscles and shoulders.What exercise do I need to do ? What should be my diet and what should I avoid eating ?How much time will it take to have my body properly built ? Do I need any injections or steroids? If yes then is it must ? Can I still have a good body without any injections and steroids ? Please enlighten me all about it and reply with complete details.I am totally dependent on your replies so please reply carefully, particularly about the diet and exercises I need .