WordPress is the worlds most popular website system. Videos are an easy way to learn. Below are about a dozen foundational introductory videos for beginners to WordPress.
If you prefer to read and look at pictures rather than watch video, try this: A Simple WordPress User Guide for Beginners. If you prefer to watch any or all of the videos below on YouTube, you can go here: WordPress Video Tutorials. Otherwise, use the slider on the right side of the playlist under the main video to select additional titles.