https://wccftech.com/how-to/how-to-download-and-install-first-watchos-8-and-tvos-15-public-beta-right-now/

Apple has seen fit to release iOS 15 and iPadOS 15, tvOS 15, and watchOS 8 public beta that you can download on your compatible devices. While we will cover iOS 15 and iPadOS 15 public beta guide in a dedicated post, you can check out how to download and install watchOS 8 and tvOS 15 public beta on your compatible devices right now.

The new updates come packed with all the good stuff that Apple announced at its annual WWDC event in June, While the developer betas were available earlier, Apple stated the public betas will be released sometime in July. It seems that Apple was a bit eager to release the public betas as we are still a day or two short from hitting July. Installing the new watchOS 8 and tvOS 15 public beta is quite easy and all you have to do is follow the step-by-step instructions below.