The instance overview page can be accessed from "process apps" in the drop down menu.
NOTE: The user need to have build access to be able to see process apps. Read more about user rights here.
To be able to see the application in the list, you need tho have the process permission set to "view instance".
By clicking on an application you will access the Instance Overview page, were all instance that are created are listed.
If dubble click on an instance you will access the instance view.
On the right side of the page you will find the the following functions: