For a quick start to using Gaia, please find the quick start guide in the Gaia Documents directory of your Gaia installation.
Additionally, you can get inline help on any part of Gaia by hovering with your mouse cursor over the name of the control:
For more information, by clicking on the ? button in the Gaia user interface:
To get a deeper understanding of what is possible with Gaia please check our the complete list tutorials here : https://www.procedural-worlds.com/products/professional/gaia-pro/gaia-pro-tutorials/
Note: Gaia 2 / Pro is constantly evolving, and any video is immediately out of date after it has been posted. However, the fundamentals of the system will generally not change, so if your screen looks a little different to the video, then take a moment to check out the inline help as mentioned above.