If you use an iMac or iMac Pro 2017, you should have macOS 10.13.6 or later version. You should have 10.12.5 or later versions. macOS Version Go to Finder and click on “Apple” icon, choose “About This Mac” and verify macOS version.
Apple's latest Mac operating system, MacOS Big Sur, is now available for download on all.
MacOS Big Sur is available for download now, so long as you have one of these supported Apple devices.The new macOS Sierra update is now available to download and install for OS X 10.11 El Capitan users, but if you've just decked out your Mac with the latest operating system and noticed that.
