How To Update The Software On My Mac. On your Mac choose Apple menu System Preferences then click Software Update. Learn about macOS Big Sur updates for example.

Wait for your Mac to install any updates. For High Sierra or older versions launch the App Store and search for macOS. Upgrade Now installs a major new version with a new name such as macOS Big Sur.
Also you can check the Automatically keep my Mac up to date option to install new updates automatically.
Click on Software Updates and your Mac will check for available updates. Click on Software Updates and your Mac will check for available updates. If you see Download and Install instead tap it to download the update enter your passcode then tap Install Now. On your Mac choose Apple menu System Preferences then click Software Update.
