Online training resources are available to users through Bentley Systems Learnserver.
Click this link to open the main Bentley Systems portal and sign in using your Bentley Systems account credentials.
Once signed in, click on the Learning option to go to the Learning page
From the Learning landing page, choose to go to the Learn Server
Once the Learn Server main page loads, select the Find Training option
Select OpenBuildings from the list of programs, and then OpenBuildings Designer:
Then, scrolling down through the list you will find the OpenBuildings Energy Simulator courses:
Note: this course requires that you have installed the dataset "Neutral Metric (NM) - Includes Building Examples and Training Worksets" - as shown here.