Please go to this link https://apps.apple.com/us/app/macos-big-sur/id1526878132?mt=12 and download the macOS Big Sur installer.
Discovery College Design and Technology
Discovery College – Design Technology
Please go to this link https://apps.apple.com/us/app/macos-big-sur/id1526878132?mt=12 and download the macOS Big Sur installer.