Apple’s free public beta releases allow users who are not registered developers to test pre-release versions of macOS.
macOS High Sierra public beta 4 follows the release of the fifth developer beta yesterday.
Apple’s next-gen macOS includes the Apple File System (APFS), HEVC support, Metal 2, improvements to Mail, Photos, and Safari, and more.
MacDailyNews Take: It’s snappy, but it’s still a beta so keep it off production Macs!
How to create an external Mac startup disk for macOS High Sierra – July 7, 2017