For all of the ten people that care, I installed High Sierra On a mid 2009 MacBook Pro : r/mac
macOS High Sierra on MacBook late 2009 White - YouTube
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
macOS 10.12 Sierra Unsupported Macs Thread | MacRumors Forums
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
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MacBook Pro 2009 Upgrade Series PT.1 High Sierra Install - YouTube
Identify your MacBook Pro model - Apple Support
15″ MacBook Pro (Mid 2009) | Low End Mac
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macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
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Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
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Preparing a 2009 MacBook for macOS Sierra - YouTube
How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
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Anything that can run macOS Sierra can also run macOS High Sierra | Ars Technica
Installing High Sierra on an Unsupported Mac - Mac Optimization Software Reviews
Apple MacBook 13-inch Late 2009 2.26GHz Intel Core 2 Duo (MC207LL/A) – UNICOM, Inc.
MacOS High Sierra Compatible Macs List | OSXDaily
macOS Sierra: macOS Sierra: Frequently Asked Questions
How to Install macOS High Sierra on an Unsupported Mac - YouTube
Identify your MacBook model - Apple Support
