macOS High Sierra now available as a free update - Apple
macOS Sierra Patch Tool
macOS Sierra | Low End Mac
How to Upgrade to macOS High Sierra
Install Sierra on Early 2009 Mac Pro - Apple Community
macOS 10.12 Sierra Unsupported Macs Thread | MacRumors Forums
Restored Apple Macbook Pro 13.3-inch (Retina) 2.7Ghz Dual Core i5 (Early 2015) MF839LL/A 128GB SSD 8 GB Memory 2560x1600 Display Mac OS X v10.12 Sierra Power Adapter Included (Refurbished) - Walmart.com
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
Identify your MacBook Pro model - Apple Support (SG)
macOS Sierra on MacBook late 2009 - YouTube
Apple Macbook pro mid 2009 120gb ssd 4gb ram MacOS High Sierra for Sale in Lowell, MA - OfferUp
Identify your MacBook Pro model - Apple Support
Apple macOS Sierra: how about that compatibility list? (2023)
macOS 10.13, High Sierra MacBook Pro 2009 Released for sale | eBay
macOS Sierra Download Released, Get it Now | OSXDaily
Identify your MacBook Pro model - Apple Support
MacBook Pro 2009 Upgrade Series PT.1 High Sierra Install - YouTube
Apple Macbook pro mid 2009 120gb ssd 4gb ram MacOS High Sierra for Sale in Lowell, MA - OfferUp
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Identify your MacBook Pro model - Apple Support
Used Apple White MacBook Pro High Sierra late 2009 | eBay
![Apple MacBook Pro (Mid 2009) 15" Core 2 Duo 2.8GHz 8GB RAM 250GB HDD | eBay](https://i.ebayimg.com/images/g/ip8AAOSwrY5hV4~S/s-l1200.webp "Apple MacBook Pro (Mid 2009) 15" Core 2 Duo 2.8GHz 8GB RAM 250GB HDD | eBay")
Apple MacBook Pro (Mid 2009) 15" Core 2 Duo 2.8GHz 8GB RAM 250GB HDD | eBay
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
Used Apple White MacBook Pro High Sierra late 2009 | eBay
The MacOS Sierra Compatibility List | OSXDaily
