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How to Install macOS High Sierra on an Unsupported Mac - YouTube
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Identify your MacBook Pro model - Apple Support
A First Look At Apple's macOS Sierra
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
macOS 10.12 Sierra Unsupported Macs Thread | MacRumors Forums
MacOS High Sierra Compatible Macs List | OSXDaily
macOS Sierra | Low End Mac
MacBook Pro 2009 Upgrade Series PT.1 High Sierra Install - YouTube
MacOS Sierra: top five things you need to know about Apple's new Mac software | Apple | The Guardian
How to install macOS 10.12 Sierra on unsupported Mac hardware
System Requirements for macOS Sierra
macOS High Sierra now available as a free update - Apple
Anything that can run macOS Sierra can also run macOS High Sierra | Ars Technica
Apple rolls out macOS Sierra 10.12.6 for MacBook and iMac users - Gizbot News
Siri, Apple Watch unlocking, and more comes with macOS Sierra on Sept 20th | Ars Technica
macOS Sierra Download Released, Get it Now | OSXDaily
macos - Mac Pro 4,1 (Early 2009) Sierra Compatibility? - Ask Different
Apple MacBook A1342 Late 2009 C2D 2.26GHz 4GB 120GB SSD DVD-RW macOS 10.13 High Sierra – Refresh Computers Online Marketplace
Amazon.com: 6-in-1 USB Installer for MacOS. El Capitan High Sierra Mojave Catalina Big Sur and Monterey : Everything Else
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
macOS Sierra on MacBook late 2009 - YouTube
