https://wccftech.com/download-macos-catalina-public-beta/

The first ever macOS Catalina public beta is now available to download if you have a compatible Mac with you.

Though iOS 13 and iPadOS 13 were the highlight announcements of WWDC 2019, but one can’t discount the fact that macOS Catalina is a pretty big update too. Announced right after the Mac Pro and Pro Display XDR, macOS Catalina is packed with a ton of new features that enhance the overall Mac experience. It does so by finally bringing iPad apps to the Mac via Catalyst. But that’s not all, Apple has done some severe polishing under the hood as well, ensuring that each copy of Catalina runs in the best possible manner.