Simulink Coder instalation in Matlab2016a trial

Hey All, I need to use the optimization pane- code generations in order to change parameters to tunable instead of inline. But im having trubles finding the 'Signals and Parameters' tab in the pane . I only see this :

As i understood i need to install a 'Simulink Coder' package in order to configure these parameters.correct? if its true so i need to know how can i install this feature on an already installed Matlab trial ? If not i will be glad to know how to find the configurable list of the parameters.