build up simulation model using system dynamics softwares

making a model using the dynamic system and its problem consisting of a set of factors that cause the problem and it is divided into four groups of stages of the problem and there are solutions for each stage separately, different alternatives and we wanted to inquire how to solve it with the dynamics of the system and its method
i would use system dynamics soft wares ( anylogic - vensim - stella - ,,,,,,,,,,etc)