Amazon.com: Bootable USB Stick for macOS X High Sierra 10.13 - Full OS Install, Reinstall, Recovery and Upgrade
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
MacOS High Sierra Compatible Macs List | OSXDaily
macOS High Sierra vs macOS Sierra: Should you upgrade to High Sierra? | Macworld
How to get macOS High Sierra
IMac 21.5-inch Late 2009 - Mac OS High Sierra 10.13.6, Intel Core 2 Duo, 4 GB DDR3 RAM, 500 GB HDD, Nvidia GeForce 9400 256 MB VRAM
macOS High Sierra - Wikipedia
Common Problems During and After macOS High Sierra Installation
macOS 10.13 High Sierra: The Ars Technica review | Ars Technica
How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
macOS High Sierra on MacBook late 2009 White - YouTube
MacOS High Sierra Compatible Macs List | OSXDaily
macOS High Sierra On A 2009 Imac Core 2 Duo? A Retro Adventure :o) - YouTube
2 TB Apple Hard Drive iMac 2009 2010 2011 Mac Pro High Sierra Plug and Play | eBay
Hard Drive for iMac Late 2009-2011 ONLY 500GB, Preloaded with High Sierra 10.13 | eBay
Installing High Sierra on an Unsupported Mac - Mac Optimization Software Reviews
Use your iMac as a display with target display mode - Apple Support
MacOS High Sierra – Worry Free Upgrade For Your Mac
