Learn how to use Unreal Engine 4. There are four clips in this video series:

Launcher. This first clip in the video covers how to get started with Unreal. You will learn how to install and set up the environment and leverage the Unreal Launcher.
Interface. This second clip in the video covers the Unreal interface and content browser.
Brushes. This third clip in the video covers the brushes including the addition and subtraction of native elements.
Materials. This fourth clip in the video covers the materials editor.