MacOS Big Sur: Apple unveils new complete redesign for computer operating system

Apple has revealed MacOS Big Sur, its new operating system for computers. It comes with a complete redesign that changes the look of the computers icons and windows. Apple says that the new design is the biggest upgrade since Mac OS X was first introduced, 20 years ago. And it is the first of Apple's operating systems that will be released on computers using its new chips, which use Apple's own silicon for the first ever time. The new look brings a re-thought look to the windows, icons and everything else about the computer, to make it more in line with other products like the iPhone.