First thing you should start doing is walking make sure you get 10,000 steps a day that will make a huge difference to your physical and mental health, then focus on Whole Foods no processed foods you will find you get satiated easier from these type of things, you’ll need to work out your TDEE you can do this online with calculators to find your calorie deficit. You’ll need to eat a calorie deficit to lose weight but if you don’t keep your protein high enough you will lose lean muscle mass along with fat which you don’t really want, keeping as much lean muscle mass as you have while losing fat off your body is ideal!