If you're interested in trying out the preview software, you can join Apple's Beta Software Program.
Help make the next releases of iOS, macOS, and tvOS our best yet. As a member of the Apple Beta Software Program, you can take part in shaping Apple software by test-driving pre-release versions and letting us know what you think.
You can join the program at the link below. Remember, it's strongly advised that you don't install beta software on a primary device as a bug could cause loss of data or functionality.
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