Is it safe to upgrade a mid-2012 MacBook Pro to the Catalina OS? - Quora
How to Install macOS Monterey on Unsupported Macs, for Security Improvements - The Mac Security Blog
MacOS 10.15 Catalina Review: More Mobile, More Security, no More iTunes | WIRED
How I kept my iMac running for a decade | Cult of Mac
How to Install macOS 10.15 Catalina on an Unsupported Mac - YouTube
Legacy Mac Project: Immaculate Early 2008 17" MacBook Pro Running Catalina 😍 : r/mac
MOTU and macOS Catalina | News | MOTU.com
The infamous 2007 iMac on Catalina | MacRumors Forums
Even after 12 years, my late 2008 MacBook Pro hasn't given up. Upgraded it to 8GB of ram, added an SSD, and patched it with MacOS Catalina. Still use it everyday. :