Updates

Explains how to update App Store apps by hand or leave automatic updates on, with sections for Mac as well as iPhone, iPad, Apple Watch and Apple TV.

Describes how macOS updates bring features and security fixes, and how to install one now, schedule it overnight or check manually.

Shows where to find Software Update in System Settings and how to turn automatic downloading and installation on or off.

Explains why keeping macOS current matters and how to use Software Update. Also covers what to do when no update shows and the difference between minor and major releases.

Explains how a Mac gets security configuration and system data updates in the background, often without a restart, and where to make sure those settings are enabled.