Re: Next steps
Hi mate and welcome.
I'm not sue what your goals are but I'm assuming you want to shed fat and build a little muscle.
As you are a beginner and young you will build muscle very easily at first. Work to a proper routine (might I recommend stronglifts 5x5) and ensure you are eating enough calories to drop weight slowly. 11kg in 4 weeks is quite fast. Aim for about 0.5-1kg per week.
Lift safely and heavy, work hard and I guarantee in 6 months time you will be very happy with what you've achieved.