To increase muscle mass quickly and effectively, you should focus on a combination of proper nutrition, strength training, and adequate rest. Here are some tips to help you achieve your goal:

1. Eat a balanced diet rich in protein to support muscle growth. Include lean meats, poultry, fish, eggs, dairy products, legumes, nuts, and seeds in your meals.

2. Consume enough calories to fuel your workouts and promote muscle growth. Aim for a slight caloric surplus to support muscle building.

3. Incorporate compound exercises such as squats, deadlifts, bench presses, and rows into your workout routine. These exercises target multiple muscle groups and stimulate muscle growth.

4. Lift heavy weights with proper form to challenge your muscles and promote hypertrophy. Gradually increase the weight and intensity of your workouts over time.

5. Ensure adequate rest and recovery between workouts to allow your muscles to repair and grow. Aim for 7-9 hours of quality sleep each night.

6. Stay hydrated and drink plenty of water throughout the day to support muscle function and recovery.

7. Consider working with a personal trainer or fitness coach to create a customized workout plan tailored to your goals and fitness level.

Remember that consistency is key when it comes to building muscle mass. Stay committed to your training program and make healthy choices to support your progress.