All support for old 32-bit software is gone, adding efficiency and speed to the OS but causing potential problems for anyone still using older software. It replaces the classic iTunes app-with its overloaded and confusing interface-with elegant new apps for music, podcasts, and TV.Īs always, you'll find major and minor tweaks throughout, but the most momentous changes are behind the scenes. Catalina also adds iOS-style features like Screen Time with enhanced parental controls. Highlights include the Sidecar feature that lets you use any recent iPad as a second screen. Catalina runs smoothly and reliably and adds several appealing new features. Catalina is the 15th release of what Apple used to call OS X, and like earlier versions, it builds on a solid and secure Unix-based foundation. The release of macOS Catalina, now available as a free download for everyone with a compatible Apple computer, adds efficiency, security, elegance, and smoothly integrated enhancements to the already-excellent Mojave version released last year.

Security enhancements may request repeated confirmations to allow some apps to run.Ends 32-bit app support, forcing such apps to run in complex workarounds.How to Set Up Two-Factor Authentication.How to Record the Screen on Your Windows PC or Mac.How to Convert YouTube Videos to MP3 Files.

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