This will help you out navigating your way in the platform, how user can launch their site, configurations that you can do, considerations when using the platform and tools we use for debugging.
Video training from Developer Relations team. These are included here to give you an overview of what new customers use as a learning resource and to familiarize you with the work of the Dev Rel team.
Pro tip: You may want to start one of your Megasites (see below) while going through this.