Identify your iMac model - Apple Support
Amazon.com: Bootable DVD DL for Mac OS X 10.13 High Sierra Full OS Install Reinstall Recovery Upgrade
Apple iMac 27″ Mid 2010 Core i5 2.8GHz 8GB 1TB DVDCDRW Wifi macOS 10.13 High Sierra – Refresh Computers Online Marketplace
Apple iMac (A1312) 27 Inch High Sierra Intel 2.7Ghz i5 1TB HDD 16GB RAM Mid 2011 | eBay
Apple iMac 21.5″ Mid 2010 Core i3 3.06GHz 12GB 500GB DVD-RW WiFi macOS 10.13 High Sierra – Refresh Computers Online Marketplace
High Sierra Compatible with All Sierra-Compatible Macs
Apple iMac A1311 (Mid 2010) Core i3 3.06GHz 4GB 500GB 21.5" macOS High Sierra | eBay
High Sierra on 2010 iMac - Apple Community
Apple 21.5" iMac All in One Desktop Computer Core i5 8GB Ram 500GB HD OS High Sierra and WIFI Keyboard And Mouse - GRADE B
macOS High Sierra review: A radical new foundation for your Mac | iMore
Apple iMac 21.5-inch June 2010 3.33GHz Intel Core 2 Duo (BTO/CTO) – UNICOM, Inc.
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
How to Install macOS High Sierra on an Unsupported Mac - YouTube
To install macOS High Sierra, a firmware… - Apple Community
Apple iMac 21.5" Desktop Intel Core i3 3.2 GHz 4GB RAM 1TB SATA 2010 High Sierra | eBay
Apple Releases macOS High Sierra With Apple File System, Safari Autoplay Blocking and Privacy Tools, Metal 2, and More - MacRumors
macOS High Sierra: The new features and updates that matter most | Macworld
AppleTV working fine on Mid-2010 iMac, running macOS High Sierra. : r/appletv
Apple releases macOS High Sierra 10.13.6 Beta 3
