Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
Install Sierra on Early 2009 Mac Pro - Apple Community
The MacOS Sierra Compatibility List | OSXDaily
Apple macOS Sierra 10.12.6 13 in. Late 2009 8 GB 255 MB w/charger See* | eBay
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
macOS Sierra: macOS Sierra: Frequently Asked Questions
macOS Sierra: The smart person's guide | TechRepublic
macOS Sierra | Low End Mac
How to Install macOS High Sierra on an Unsupported Mac - YouTube
Apple MacBook A1342 Late 2009 C2D 2.26GHz 4GB 120GB SSD DVD-RW macOS 10.13 High Sierra – Refresh Computers Online Marketplace
macOS High Sierra now available as a free update - Apple
How well does MacOS High Sierra run on an unsupported Mac? - YouTube
The MacOS Sierra Compatibility List | OSXDaily
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
macOS Ventura on 2009 MacBook Pro - works like a charm! : r/OpenCoreLegacyPatcher
MacOS High Sierra Compatible Macs List | OSXDaily
Preparing a 2009 MacBook for macOS Sierra - YouTube
Amazon.com: 6-in-1 USB Installer for MacOS. El Capitan High Sierra Mojave Catalina Big Sur and Monterey : Everything Else
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
List of Macs Compatible With macOS Sierra - MacRumors
How to Prepare Your Mac for macOS Sierra - The Mac Security Blog
macOS Sierra on MacBook late 2009 - YouTube
macOS 10.12 Sierra Unsupported Macs Thread | MacRumors Forums
