Nothing to worry about, there is no need to fear the Blender version, the software hardly ever changes in a meaningful way, workflows have stayed the same since forever, core knowledge is still always there. The thing that changes is just names and buttons placements in the UI, things learned are always 99% applicable.
Specially if you are a beginner, it is the best of ideas to follow what’s on screen with the Blender version used in the video, because it is easier to follow and everything you learn will be applicable no matter the Blender version. Updating courses and videos is practically impossible due to the speed in which Blender develops, everything everywhere becomes outdated the moment a new Blender version comes along, everything on YouTube and everything everywhere at the same time, no one can update things their entire library, it is unattainable. But it’s just outdated in the sense of what’s visibly on the screen, no more than that.
