I really want it!

Hi! I'm turning 35 by new year and I'm sick of being out of shape for 4 years now. I've always been an athlete but my life changed and turned upside down. I lost my body and the strength to start working out or getting in shape with many other things. and I want to get it all back and win the battle. I've tried many things it's only making me bigger. I need support and help to reach the goal I set for myself. Today I weigh 79 Kg and I want to be fit on my birthday. I wanna lose 9 Kg in total but I wanna lose 4 kg by then. 1kg every week. I hope I can help myself n find the support.