With the fourth industrial revolution not just around the corner, but already establishing itself in the industrial environment, The terms digitalization, Industrial Internet of Things (IIoT), and Smart Service are omnipresent nowadays when talking about Industry 4.0, and the expectations of what can be achieved by networking machines and applying new technologies are skyrocketing. Not only higher plant efficiency and increased profitability, but also pro-active measures to prevent shutdowns and improve monitoring become reality by applying such new technologies as Smart Sensors, Big Data Analytics, and visualization using both Virtual and Augmented Reality. In the fields of operator training and on-time support in particular, technical information and guidance are provided by Virtual and Augmented Reality technologies exactly where it is needed, at the machine, during the process, or in the plant.