When you have a new module (purchase code) for Stackposts like: Instagram Auto Activity Module, LinkedIn, Pinterest etc.
(See a list of modules for Stackpost in https://goo.gl/DDRsMw)
Step-by-step guides to add new seperately module for Stackposts on your web application. Please read the following guide carefully:
You will see successfully message and new module page on Sidebar after a few seconds, if everything is exactly.