Apple introduces macOS Big Sur with a beautiful new design
macOS Big Sur includes the biggest Safari update ever and powerful enhancements to Messages, Maps, and privacy
Biggest Design Upgrade Since the Introduction of Mac OS X


A Faster, More Personal, Privacy-First Safari Experience
Powerful and Expressive Messages


All-New Planning Tools with Maps
Industry-Leading Privacy
World-Class Developer Tools
Images of macOS Big Sur
- Testing conducted by Apple in June 2020 using JetStream 2, MotionMark 1.1, and Speedometer 2.0 performance benchmarks. Tested on production 1.4GHz quad-core Intel Core i5-based 13-inch MacBook Pro systems with 8GB RAM, 256GB SSD, and prerelease macOS Big Sur, and Windows 10 Home, version 2004, running in Boot Camp. Scores represent browsers that completed the test. Tested with prerelease Safari 14, Chrome v83.0.4103.97, and Firefox v77.0.1 on macOS, as well as Chrome v83.0.4103.97, Microsoft Edge v83.0.478.45, and Firefox v77.0.1 on Windows Home, with WPA2 Wi-Fi network connection. Page load performance tested using snapshot versions of 10 popular websites with prerelease Safari 14 and Chrome v83.0.4013.61 on prerelease macOS Big Sur and simulated network conditions. Performance will vary based on system configuration, network connection, and other factors.
- Testing conducted by Apple in June 2020 on production 1.4GHz quad-core Intel Core i5-based 13-inch MacBook Pro systems with 8GB RAM, 256GB SSD, and prerelease macOS Big Sur. Systems tested with WPA2 Wi-Fi network connection while running on battery power, with display brightness set to 12 clicks from bottom or 75 percent. Prerelease Safari 14 tested with HD 1080p content; Chrome v83.0.4103.97 and Firefox v77.0.1 tested with HD 720p content. Not all features are available on all devices. Performance will vary based on system configuration, application workload, and other factors.
- Translation will be available in beta supporting English, Spanish, Chinese, French, German, Russian, and Brazilian Portuguese.