In recent years, IT and immersive technologies are one of the most popular fields that people choose for their future careers. According to Statista, as of January 2023, the number of IT workers was 3.1 million, and by 2032 the number of workers will exceed 6 million. Among those starting to work in the field of IT and XR, there are both young professionals and those who have career experience in other fields and want to change their lives. And free online courses, which introduce a beginner to the essence of the matter in an interesting and accessible language, are useful for future developers. In this article, we offer an interesting selection of the best free XR training courses online. Whether you’re looking to develop XR experiences for Unity and Magic Leap 2, shoot a 360o film, or create your own metaverse, our selection of courses will provide you with the necessary skills and knowledge needed for those just starting their XR journey. Create with AR: Face Filters by Unity A training course for those new to AR application development, including creating face filters. This course is designed for those willing not only to learn the basics of programming applications on Unity but also to expand their portfolio with new cases, which will make it much easier to enter the field of XR. The course is divided into three parts: Get Started With AR. The future developer will learn the types of features in augmented reality, such as AR face filters, and AR markers that allow you to place digital content in real space. One will learn how to integrate a finished 3D model design into a game. Create a basic face filter. The main goal of this segment is to create your own customized AR face mask, including creating face trackers and using various textures, 3D models, and other components that can be used for an AR mask; Create an interactive face filter. In the final part of the course, the student has to make their mask interactive. In particular, developers also learn to add a user interface to the created mask and use visual scripts to program functions. A student is able to independently monitor their own progress and mark the completed lessons on the page. The entire course is available here: https://learn.unity.com/course/create-with-ar-face-filters?uv=2021.3 Virtual Reality Development Specialization by the University of London A virtual reality training program by the University of London is designed for beginners and consists of 5 courses. Its total duration is 6 months, 4 hours per week, with a flexible schedule. Each of the 5 training courses contains the following information: Introduction to virtual reality. Students get acquainted with the concept of virtual reality, its history, and basic principles; 3D Models for Virtual Reality. In this course, students will take the first steps in developing 3D models for VR, the basic principles of digital content development, and overlaying models in a digital environment. Students will also learn the basic principles of one of the most common VR engines, Unity3D; Interactive design with 3D models in VR. Students will learn to work with a key aspect of virtual reality, i.e., creating user interaction with the digital world. The course will cover the basic principles of creating interaction with virtual reality, taking into account the natural movements of the human body. In the end, students will receive useful advice from experts in the field of XR, and the main task to consolidate the result will be the creation of their own project where a person interacts with virtual reality; Creation of interactive 3D characters and dialogues. Students will learn to create communication between users of virtual reality, in particular the psychology of communication in VR, the basic principles of animation of 3D characters, in particular, game characters that will be used by the player and NPCs that will interact with a real player; Creating the First VR Game is the final course of the curriculum from the University of London, in which students have to create their first game in virtual reality and learn all the main stages of its development: idea, storyboarding, prototyping, testing, and implementation. The hosts of the Virtual Reality Development Specialization program are Professor Marco Gillies and Dr. Sylvia Xueni Pan. Gillies is an Academic Director of Distance Learning and Deputy Head of Computing at the University of London. Pan is a senior lecturer at the Virtual Reality department of the same university. You can sign up for the course here: https://www.coursera.org/specializations/virtual-reality Extended Reality for Everybody by Michigan University A learning program from the University of Michigan that introduces students to the general concept of extended reality. Its total duration is 3 months, 7 hours a week. The main goal of the program is to teach students the basic concepts of XR, the key problems of the development of augmented reality, and to correct them in further work with programs, as well as to learn how to create their own programs. The program consists of three main courses: Introduction to VR/AR/MR/XR, Technologies, Applications, and Key Issues. An introductory course to the concept of augmented reality where students will learn to understand the essential difference between virtual, augmented, mixed, and extended reality. Students will also learn more about the current state of XR, its main advantages, level of development, and problems; User experience and VR/AR/MR interaction design. In this course, students will learn the basic principles of creating XR experiences, including creating extended reality prototypes and putting them into operation. In addition, the issue of ethics in creating an interactive XR application for the user will be raised here; XR applications development with WebXR, Unity, and Unreal Engine. Students will gain practical skills in creating VR experiences in WebXR or Unity, AR applications with or without markers. The final course is where students will learn the basic concepts and techniques of creating complex applications in augmented reality, as well as learn to create their own apps taking into account the ethics, privacy,…