các ace cho em xin hỏi cách cài ­­­­­­­­­­­­­­­­­nbox trên ­­­­­­i­­n­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­7 thank all