I found that this page is out of date, it doesn’t work and it is a little bit confuse. Just to resume my process, I include the steps that worked fine:
1) Install Raspbian system on your RPi by using NOOBS as the instructions in https://www.raspberrypi.org/help/noobs-setup/ says. It is more convenient to use the NOOBS method, instead to use directly the Raspbian image, in order to take advantage of all the uSD capacity without any tweak.
2) After the image has been burned to the SD card, safely remove it from your computer and insert it in the Raspberry Pi. Power it on and wait till it’s booted.
3) From a terminal (first time, since maybe you don’t know the assigned IP, I recommend to access directly with a monitor and a keyboard/mouse), execute the following: