You cannot safely or permanently get taller fast if your growth plates are closed
Get 8 to 10 hours of sleep every night
Eat enough calories to support growth
Eat protein-rich foods daily
Include calcium-rich foods in your diet
Get enough vitamin D
Eat fruits and vegetables regularly
Stay hydrated
Exercise regularly
Do stretching and mobility work
Practice good posture
Avoid smoking, vaping, alcohol, and drugs
Maintain a healthy body weight
See a doctor if you are concerned about delayed growth
Ask a doctor about growth plate status if you want to know whether more height gain is possible