2009 iMac Running Catalina 2021 (Tutorial of Sorts) - YouTube
macOS 10.15 Catalina auf älteren Mac Installieren - Anleitung » iWerkstatt
How to Install macOS Catalina on an Unsupported Mac - MacRumors
Je iMac-model identificeren - Apple Support (NL)
Mac mini 2009 running Catalina / Big Sur? | MacRumors Forums
Catalina 10.15.3 running decent on my mid 2009 iMac. Gonna max out the RAM to 8GB. 🤗 : r/CatalinaPatcher
Early 2009 20-inch iMac running macOS Catalina with the dosdude1 Catalina patcher. Runs great and has no issues! : r/CatalinaPatcher
A Mid 2009 MacBook. Running macOS Catalina using dosdude1's Catalina patcher, 4GB of DDR2 RAM and and 120GB SSD. Got it for € 10,-. It's a gift for my son, so he