Mac OS X: About the Mac OS X 10.2.3 Update (Combo)

This software updates Mac OS X 10.2 or 10.2.1 to 10.2.3. It is a "combo" update that combines enhancements delivered with versions 10.2.1, 10.2.2, and 10.2.3. If you already have Mac OS X 10.2.2, you may download a smaller update that is not a combo.
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Important: Read Before Installing

    1. An Admin user password that does not contain spaces or Option-keyed characters is required to install. The password may not be blank. If your password must be changed, then follow these steps: Choose System Preferences from the Apple menu. Choose Users from the View menu. Select an Admin user and click Edit User. Click the Password tab. Change the password and click OK.

    2. You may experience unexpected results if you have installed third-party system software modifications, or if you have modified the operating system through other means. This precautionary statement does not apply to the normal installation of application software.

    3. The installation process should not be interrupted. Monitor progress by clicking the Detailed Progress disclosure triangle. If a power outage or other interruption occurs during installation, use the standalone installer (see below) from Apple Software Downloads to install.


There are two ways to update to Mac OS X 10.2.3.

Automatic Software Update Installation

You may have been referred to this document by Software Update. For more information on this feature, see technical document 106704, "Mac OS X: How to Update Your Software".

Because some updates are prerequisites for others, you may need to use Software Update more than once to get all desired updates.

Standalone Installers

An installer is also available from Apple Software Downloads (

Two versions of the installer are available. One is for updating version 10.2.2 to 10.2.3, the other 10.2 or 10.2.1 to 10.2.3 (a "Combo" update). This document describes the latter. If you already have updated to 10.2.2, see technical document 107263, "Mac OS X: About the Mac OS X 10.2.3 Update".

Enhancements Delivered with this update

Many enhancements are delivered with this update. Because this is a combo update, it includes those delivered with both Mac OS X 10.2.1, 10.2.2, and 10.2.3. These enhancements are listed individually in these technical documents:

107036: "Mac OS X: About the Mac OS X 10.2.1 Update"
107140: "Mac OS X: About the Mac OS X 10.2.2 Update"
107263: "Mac OS X: About the Mac OS X 10.2.3 Update"
Published Date: Oct 11, 2016