You can install the macOS Catalina beta on your Mac today so that you can test out all the new features before it arrives for the public this fall, but you will want to make sure that you take time to prepare your Mac — especially if it isn’t a secondary machine that you only use for testing.

Apple announced macOS 10.15 during the WWDC Keynote on June 3rd you can test it out with a free macOS Catalina beta for the public or for developers. No matter which version you want to try, there are some things that you should do before you install the beta on your Mac.
…
Read full post here:
https://www.gottabemobile.com/10-things-to-do-before-installing-the-macos-catalina-beta/