macOS Sierra Reviews

macOS Sierra Description

macOS Sierra, Apple's operating software for its Macintosh computers, laptops and servers, is the thirteenth release of macOS. It is the first release of the operating system since the name change from OS X (now macOS) Siri requires a broadband Internet connection, microphone (built-in and external), and a microphone. Phone calling requires an iPhone running iOS 8 or later with an activated carrier plan. FaceTime video calls require an iPhone with iOS 8 or later and an activated carrier plan.