How to lose weight for a 45 year old female?

How much weight loss. The old adage works, diet and exercise! just difficult to maintain either. Did you know that 20 minutes of resistance training can increase your basal metabolic rate for 48 hours! calculate your BMR (rough estimate is current weight x 13= total calories per day for bmr) than subtract 500 kcal from this for every pound of weight you want to lose per week. Go slow. Rapid loss see doctor.
Find out ur body typ. Reset adrenals, support pancreas, boost metabolism and you might need hormone support. You might need medical guidance.