Published: October 2023 (Updated for Legacy Compatibility)
Share your model and year in the comments—we will help you verify compatibility before you install. Disclaimer: This article is for educational purposes. Always backup your data via Time Machine before modifying system software.
In the fast-paced world of Apple software, it is easy to forget the "rock-solid" releases that defined a generation of Mac computing. While macOS Ventura, Sonoma, and Sequoia dominate the headlines, a significant number of users rely on older hardware tied to .
Keep a copy of the DMG on an external SSD for future restorations. Apple will likely kill these legacy download links in 2024 or 2025, so archive it now.
