Apple macOS Catalina released for Macs: What’s new and how to get it

Apple just released its big new Mac update called macOS Catalina. It lets you use an iPad as a second screen, splits iTunes into three separate apps and can run new Catalyst apps.
— Read on www.cnbc.com/2019/10/07/apple-macos-catalina-released-for-macs-whats-new-and-how-to-get-it.html