How to Update MacOS System Software with Software Update (Big Sur, Catalina & Mojave)

Want to check for software updates in macOS Big Sur, Catalina, or MacOS Mojave? Perhaps you’re wondering where system software updates went in MacOS Mojave or Catalina? You may have noticed that the Software Update mechanism is different in MacOS Mojave and Catalina than in other recent prior Mac OS releases, with system software updates no longer arriving through the Mac App Store ‘Updates’ tab (well, except for the initial download of macOS Mojave). Instead, software updates are now downloaded from System Preferences, which is a bit more like iOS, and older versions of Mac OS X too.
If you aren’t sure how to updates system software in macOS Mojave 10.14 and beyond, read on to discover it’s quite simple.

















