new to this!

ok so im not sure how this works exactly its kind of confusing but i just wanted to say hello to all. pretty much im 225lbs 5' 7" and ot happy. I've always been around 160lbs and i gained all this in about 2 years. Me and my sister decided we are going to crack down and get healthy and happy. So im open to any advice or support anyone would like to offer.  Were starting to work out 5 days a week and hopefully get great results. Thank you to everyone and hope your diet goals go well!!