Educational elements that are mandatory to do can be found in My learning and tasks/Mandatory.
There you can find a list of all educational paths, e-learning courses, traditional trainings or tests that users have to finish. Those elements can be sorted by their name or type, users can use views that filter search results or simply search for one specific element using the search bar.
To go to the chosen element, just click on its name - it'll transfer you to its properties and you can start it there.
In the properties you can also see information about the elements - its description and other useful data - numer of available tries or time restrictions.