Just go to the gym , start lifting. Don;t worry about cutting or whatnot. Eat this way - lots of protein and lots of HEALTHY fats- Eat lots of healty fats - stuff like avodacoes, coconut oil, olive oil, butter. THis aid in your male hormone production and helps in recovery. For carbs, since you're aldy overweight, you dont have to worry about it.

The important things is to get enough protein for muscle repairs and synthesis (abt 1g per pound of lean body mass), and the healty fat above. It's the carbs that make u fat.

Keep eating healthy and lifting. Overtime, you muscle mass with increase. As your muscle mass increases, your metabolism increases, turning you into a fat burning maschine even if you're doing nothing sitting at ur desk.

You just have to be patient and just go do it.