Apple will release the official version of MacOS Big Sur on November 12, 2020. Apple said that MacOS Big Sur will be released at 10:00 a.m. Pacific time. The specific release time varies with countries and regions. MacOS Big Sur is Apple’s next-generation operating system for Macs. Today is a very exciting day for Mac users. < p > < p > MacOS Big Sur is a large-scale update of the Ma operating system. It brings a new user interface to the Mac and makes it more consistent with Apple’s entire ecosystem. Among them, Apple has updated every app. If users are also using iPhone smartphones and iPad tablets, MacOS Big Sur will make you feel at home. < / P > < p > Apple has added a new control center to MacOS Big Sur, allowing users to switch between Wi Fi, Bluetooth and other functions at any time. In addition, Apple has also updated or added new widgets, similar to Apple’s practice in IOS 14 and iPad OS 14. However, the biggest change in MacOS Big Sur is in performance, because Big Sur is the first MAC OS version that is rewritten with Apple’s own processor as the center. If you buy the latest MacBook Pro, MacBook Air or Mac Mini with Apple’s M1 chip, Big Sur will improve performance and efficiency compared with Intel based Macs, and add instant wake-up features like the iPad. SpaceX beat blue origin and Northrop Grumman to win a $316 million air force contract