This document provides steps for creating a screencast using Screencast-O-Matic. It outlines downloading the Screencast-O-Matic app for Mac or PC, selecting an area of the screen to record, choosing an audio source like a microphone, adjusting audio levels, starting recording, pausing recording, finishing recording, previewing the recording, and publishing the finished screencast to Screencast-O-Matic, YouTube, or saving as a video file. Additional tips are provided for each step.