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Apple has mastered the art of improving its OS design without disrupting the basic design established by OS X. But, as with almost every other new version, the new features and conveniences in macOS Big Sur integrate so well into the familiar interface that existence users will face a minimal learning curve. (With Catalina, expert users could enable or disable it using a terminal command.) After Big Sur appears on the screen, you see the most radical overhaul that Apple has given its flagship OS in years. The first thing you notice when you start up your Mac running Big Sur is that the traditional Mac startup sound is back by default, though you can silence it from the System Preferences app. But upgrade you should, because Big Sur is a substantial improvement, even over the excellent Catalina. If you rely on third-party software, you may want to wait a few weeks or months for the first or second interim, or point release. If you’re running last year’s Catalina version and haven’t installed a lot of third-party, non-Apple software, you can upgrade immediately to Big Sur, though only after making a complete Time Machine or other backup of your existing system. Based on a three-month tryout in a series of public betas, Big Sur is quick, stable, impressively good-looking, and packed with subtle and significant improvements to the macOS interface. No touch-screen support, despite mobile interface elementsĪpple's macOS Big Sur is the latest version of its desktop and laptop operating system and the first to support both traditional Intel Macs and the new “Apple Silicon” Macs.Existing apps require updating security permissions.Compatibility issues with third-party backup software.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.How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.

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