(I have a 2011 iMac that was finally left behind nearly 10 years after I bought it.) Here, look at the list of Macs that will run MacOS Big Sur, the most recent operating system. It's perfectly fine to wait a day or two to make sure no major bugs slipped through testing undetected, but after that click on the Apple logo in the top-left corner of the menu bar, select System Preferences followed by Software Updates.Īpple has continued to release updates for devices that are incredibly old. Not only do software updates add new features, but they continue to optimize your computer and include important security updates as well.ĭo yourself a favor and make sure you keep your Mac updated whenever a new update is released. It's far too easy to take routine software updates for granted - they're something we expect from device makers now.