MacOS Big Sur has stopped supporting the following Apple computer models: MacOS 10.16 DP1 Big Sur supports the following models: Apple designers have redrawn all standard applications in the new operating system. Overall, the new macOS is not only simpler and more minimalistic, it is now similar to iOS 14 (in fact, more on iPadOS 14). And learn even more about ways to protect your personal data Pay tribute to Safari's biggest update yet. Enjoy a striking design that makes your Mac experience even easier. MacOS Big Sur takes Mac to new heights of performance and visual aesthetics. The combination of Big Sur and M1 opens new horizons for productivity and efficiency on Mac and expands the possibilities of applications - all in the familiar macOS interface that users love so much. MacOS Big Sur is deeply integrated with the Apple M1 chip in the new 13-inch MacBook Pro, as well as the new MacBook Air and Mac mini. Big Sur has a great new interface and many improvements to the main applications, including Safari, Messages and Maps, as well as unique new privacy protection features. MacOS Big Sur - the latest version of the leading desktop operating system - is already available for Mac users as a free update. Upgrades from earlier versions require up to 34 GB of free disk space.Some features require a compatible Internet service provider fees may apply.Some features require an Apple ID conditions are required.!!! Do not update these applications to avoid losing their functionality