http://www.newsweek.com/ios-12-beta-released-download-direct-links-apple-enroll-public-beta-957223

iOS 12 beta 1 debuted on Monday, June 4 at Apple's Worldwide Developer’s Conference 2018. If you are a developer or have your device UDID registered by a developer, downloading and installing the iOS 12 beta 1 to test is now an option. If you need to learn how to become a registered developer, check the instructions at the bottom of the article.

iOS 12 Beta 1 Direct Download Link - If you are registered as an Apple developer, you can download the iOS 12 beta 1 for any compatible iPhone, iPad and iPod here. If the link is not live yet, keep checking back. It will be soon.