Run the macOS Developer Beta Access Utility to download the latest macOS beta. As new macOS betas become available you will receive a notification and can install them from the Software Update pane in System Preferences.
This build contains bug fixes and improvements to the public release of macOS Catalina. As with iOS 13.2, this build includes new emojis and additional Siri privacy options.
Developers can download the Beta Access Utility from the link below. Please follow iClarified on Twitter, Facebook, Google+, or RSS for updates.