https://thenextweb.com/apple/2019/06/25/how-to-install-ios-13-and-ipados-public-betas-on-your-iphone-and-ipad/

Apple has officially released the first public beta of iOS 13, iPadOS, macOS Catalina, and tvOS 13, giving you a chance to try out the new software before it becomes publicly available later this fall.

The company has already released two iOS betas to developers, but Monday’s release marks the public launch of the software for everyone.