macOS Mojave, which is also known as version 10.14, represents the fifteenth iteration of macOS, previously labeled as OS X, and serves as the operating system for Apple's range of Macintosh computers, including desktops, laptops, and servers. This version marks the third release following the transition from OS X to the macOS branding. To make audio calls, users will need either a built-in or external microphone along with a stable broadband Internet connection. For video calls, a built-in FaceTime camera, an iSight camera (either built-in or external), or a USB video class (UVC) camera is necessary, as well as a reliable broadband Internet connection. Additionally, to utilize iCloud, devices must meet specific requirements, including iOS 5 or later for iPhone 3GS and newer, iPod touch (3rd generation and later), iPad Pro, iPad Air or newer models, and iPad mini or later versions; Mac computers must be running OS X Lion 10.7.5 or later, while PCs should have Windows 7 or Windows 8, with Outlook 2007 or later or a current browser needed for email, contacts, and calendar access. Overall, these requirements ensure that users can seamlessly connect and utilize the various features that macOS Mojave has to offer.