Until now, only developers have been able to get their hands on the earliest beta versions of the new desktop OS, and that is changing with the availability of the first public beta, MacRumors reports.Īvailable on Thursday, the MacOS High Sierra preview gives the bravest users the first glimpse at the update’s various new features and functionality. To go along with the new hardware, Apple is also going to introduce the newest version of MacOS, High Sierra, later in the year. While Apple continues to put much of its attention on the iPhone and iOS, it hasn’t completely given up on its Mac hardware and it introduced a long-awaited update to its iMac line at the Worldwide Developers Conference (WWDC) 2017 event.