You don't need to worry about installing the wrong thing since Apple only provides updates that are relevant to your Mac.Įnabling 'Download new updates when available' will download any available system updates and notify you when they're ready to install. These updates make changes to the core operating system, including first-party apps like Safari and Mail, and they may include firmware updates for hardware and peripherals.

These patches are referred to simply as updates and recorded in the version number, with 13.3 being the third major update to macOS 13. In between major updates, supplemental patches are deployed to fix bugs, patch security holes, and sometimes add new features and support for new products.

How to Install macOS UpdatesĪpple releases a new major version of macOS each year, usually around October. You can automate much of this process so that your Mac updates everything automatically without bothering you, too. Apple and app developers patch security holes when they're found-and they add helpful new features to macOS and your applications, too.īeyond the usual security patches and app updates, Apple offers shiny new versions of macOS to Mac users every year-for free. Keeping your Mac up-to-date may seem like a chore, but it's an essential part of protecting yourself online.

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