macOS High Sierra now available as a free update - Apple
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
Identify your MacBook Pro model - Apple Support
How to Install macOS Catalina on an Unsupported Mac - MacRumors
How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
How to Upgrade Mac to macOS High Sierra | Trend Micro News
Follow these 4 important steps before installing Mac OS Sierra – TarDisk.com
Apple delivers free macOS Sierra upgrade | Computerworld
2009 MacBook Pro upgrades, restoration, & tips - YouTube
macOS High Sierra now available as a free update - Apple
MacOS High Sierra Compatible Macs List | OSXDaily
How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
Siri, Apple Watch unlocking, and more comes with macOS Sierra on Sept 20th | Ars Technica
How to Install macOS High Sierra - iFixit Repair Guide
How to Install macOS High Sierra on an Unsupported Mac - YouTube
10 Things You Need to Know About macOS Sierra | PCMag
Guide to upgrade to macOS High Sierra
macOS Sierra on MacBook late 2009 - YouTube
Installing High Sierra on an Unsupported Mac - Mac Optimization Software Reviews
Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
MacOS Sierra Running Slow? Learn how to Speed Up MacOS Sierra! | Speed My Mac
