macOS Catalina Compatible Macs and System Requirements: EveryMac.com
Mac OS Catalina
How to Install MacOS Catalina on Unsupported Macs | OSXDaily
If I upgrade to OS Catalina on an old MacBook Pro Mid 2010, will it become slower? - Quora
Installazione macOS Monterey su iMac 27 2009 | 2010 | 2011 e scheda nVidia serie K
I brothe new life into my mother's 2010 MacBook and by using the macOS Catalina patcher I was able to get it onto Catalina. Works great. Even with the stock hard drive.
Review: macOS Catalina 10.15 is what Apple promised the Mac could be, and is a crucial upgrade | AppleInsider