Visual Builder is a feature of the Divi Theme for WordPress, and it comes as part of our popular pre-configured WordPress framework.
Here's my quick walk-through of the Visual Builder, and how you can use it to make basic changes to your WordPress pages.
You'll find a more in depth tutorial on the Visual Builder, as part of the official Divi documentation. We find this video the most useful for customers just Getting Started with the Divi Builder.
Once you've progressed through the basics, you may want to learn more about Divi Modules or delve deeper into the Divi Library with this video.
If you need assistance, simply Submit a Request through our Support Centre.