A portable multi-functional system having a multi-functional apparatus customizable by way of devices arranged to respectively perform different functions, and a container arranged to be transported by way of ground, naval or air transportation and having predetermined external dimensions is provided. The multi-functional apparatus is secured to the container, and is arranged to take at least two types of layout: a first layout or transport layout wherein the multi-functional apparatus is inside the predetermined external dimensions and a second layout or lifting up layout wherein the multi-functional apparatus projects from the predetermined external dimensions of the container so as to realize a tower. The invention also relates to a method for realizing the multi-functional system.