How to find your Vulcano folder:
Windows: Press the Windows+R keys, type %appdata% into the run program, then press enter
macOS: Press Command+Space to open Spotlight, type ~/Library/Application Support/Vulcano, then press Enter.
Linux: Open ~/.vulcano/
Bonus Info: The default folder name for Vulcano is VulcanoCore. If you changed the name of the folder, or had it installed in a different location, this method will be different for you. If you leave this as default it will install to the above location.