How long does it take to physically see results using creatine?

gday im 19 years old , footy season is around the corner and this year i really wanna put 100% effort it i have started weights program as well as an atkins like diet , i have lost weight but only just started taking creatine 2 weeks ago , i have noticed in before and after pics that my arms, shoulders and chest have bit more shape to it but i think that's just the weight loss, i am doing heavy sessions at the gym and just wondering how long does it normally take for creatine to show physical results (bigger muscle m) i have started off doing bench press , arm work outs, and shoulder work outs and stepping up the amount of weight i lift every 3 days, i do believe im getting stronger but when will i doo noticeable difference in my size. any help will be much appreciated and even tips for using creatine. i take it before my workouts, (package says take before workout) so plz dont try correct me on taking it before workout.