 Instead, Microsoft will release major updates to the operating system via download or in Windows Update, similar to the way updates are delivered in macOS.So far, nine major versions of Windows 10 have been released, with the version 19H2 being the latest stable release, and 20H2 as the latest preview version.Windows Server 2016 is a release of the Microsoft Windows Server operating system that was unveiled on September 30, 2014.