Why ITIL 4 courses are the best in 2021 Whether you are a service owner or a CIO, you have your business. Yes, it's yours. Without you, the business would not be what it is. ITIL 4 has a term for everything that YOU do all tied into one: The Service Value System. The idea is that when you put a slice of yourself into the business, you are creating value for yourself and for others. The best thing to do to start learning about your value and your services' value to the business, is to start with the ITIL 4 Foundation course. The beginning of your ITIL4 journey in 2021 would be best done with ITIL 4 Foundation.