What are tips to gain weight?

im 14 and weigh 34kgs I want to really gain weight
can I have some tips please

whey formula you can buy at a health food store, foods high in protein like peanut butter. try foods high in protein not in fat, unless you want to get fat, if you want to build muscle you have to go the protein route. here is a list of foods, An ounce of meat or fish has approximately 7 grams of protein.
Beef
Hamburger patty, 4 oz – 28 grams protein
Steak, 6 oz – 42 grams
Most cuts of beef – 7 grams of protein per ounce
Chicken
Chicken breast, 3.5 oz - 30 grams protein
Chicken thigh – 10 grams (for average size)
Drumstick – 11 grams
Wing – 6 grams
Chicken meat, cooked, 4 oz – 35 grams
Fish
Most fish fillets or steaks are about 22 grams of protein for 3 ½ oz (100 grams) of cooked fish, or 6 grams per ounce
Tuna, 6 oz can - 40 grams of protein
Pork
Pork chop, average - 22 grams protein
Pork loin or tenderloin, 4 oz – 29 grams
Ham, 3 oz serving – 19 grams
Ground pork, 1 oz raw – 5 grams; 3 oz cooked – 22 grams
Bacon, 1 slice – 3 grams
Canadian-style bacon (back bacon), slice – 5 – 6 grams
Eggs and Dairy
Egg, large - 6 grams protein
Milk, 1 cup - 8 grams
Cottage cheese, ½ cup - 15 grams
Yogurt, 1 cup – usually 8-12 grams, check label
Soft cheeses (Mozzarella, Brie, Camembert) – 6 grams per oz
Medium cheeses (Cheddar, Swiss) – 7 or 8 grams per oz
Hard cheeses (Parmesan) – 10 grams per oz
Beans (including soy)
Tofu, ½ cup 20 grams protein
Tofu, 1 oz, 2.3 grams
Soy milk, 1 cup - 6 -10 grams
Most beans (black, pinto, lentils, etc) about 7-10 grams protein per half cup of cooked beans
Soy beans, ½ cup cooked – 14 grams protein
Split peas, ½ cup cooked – 8 grams
Nuts and Seeds
Peanut butter, 2 Tablespoons - 8 grams protein
Almonds, ¼ cup – 8 grams
Peanuts, ¼ cup – 9 grams
Cashews, ¼ cup – 5 grams
Pecans, ¼ cup – 2.5 grams
Sunflower seeds, ¼ cup – 6 grams
Pumpkin seeds, ¼ cup – 19 grams
Flax seeds – ¼ cup – 8 grams

eat things before you sleep it puts the weight on.

like: milkshakes, burgers, sandwhiches, and that but do get unhealthy.

eat cake icecream no eat chease cake before bed that will make you gain weight FAST!!!

eat high in sugar foods. sugar is a major reason we gain weight