The training is included in your first payment, 1 or 2, it depends of the quote that you received.
To book your training go below and choose day/hours that fit for you. The training is online with a web application, no installation is required on your computer. You can join on 3 PC in the same times. So, if your Librarian and other people want to to join from different houses is possible for a max of 3 people.