Information and communication technologies (ICT) have been present in the industry for more than six decades, and represent the infrastructure for Industry 4.0. Digitization that is labeled as Industry 4.0 uses different aspects of IC technologies, connected machine (CPS) and parts in the factory (IoT) models, as well as realized the wide application possibilities of BDA (big data) analysis, which are carried out using AI (artificial intelligence) tools., and especially machine learning (ML). ICT and the other mentioned technologies enable the creation of more flexible and profitable manufacturing processes based on accurate data, which flows through the Internet. Modern factories and the equipment in them are equipped with IoT (Internet of Things), which ensures the online collection of larger and larger amounts of data, so that the wide application of digital technologies is inevitable. That is why we can assert that today's Industry 4.0 model will grow into the Industry 5.0 model based on the model of cognitive manufacturing, which will become the basic model of intelligent manufacturing. Starting from these facts, the paper presents a detailed analysis of today's context of digital manufacturing, as well as its application in selected factories in Serbia, on the Siemens Industry 4.0 model platform.