MAC Computer System Update
In system preferences, where is the system update located?
Software update missing?
Quote:
Software update may not be available for the macOS installed on your Mac.
Consider upgrading to a later version if compatible with your system.
Update: A later version of the currently installed software. Learn about macOS Big Sur updates, for example.
Upgrade: A major new version, often with new system requirements. Each macOS upgrade has a unique name, such as macOS Big Sur.
Learn more about installing the latest macOS upgrade. Some old versions of macOS are also available.
Published Date: June 11, 2021