https://www.techradar.com/news/macos-catalina-vs-windows-10-may-2019-update-which-is-best > Apple has now unveiled macOS 10.15 Catalina and announced that it will be heading to Macs and MacBooks later this year after a beta testing period. Meanwhile, Microsoft has begun rolling out its latest major operating system (OS) revision: the Windows 10 May 2019 Update. > Now that we know more about the two major OS updates, we can pitch macOS 10.15 Catalina vs Windows 10 May 2019 Update to see which one offers the best updated experience for users.