This requires using a patch to modify the install image. It is possible to install Catalina on many older Macintosh computers that are not officially supported by Apple.
MacBook Pro: Mid 2012 or newer, Retina display not needed.Catalina requires 4 GB of memory, an increase over the 2 GB required by Lion through Mojave. 2010–2012 Mac Pros, which could run Mojave only with a GPU upgrade, are no longer supported. MacOS Catalina officially runs on all standard configuration Macs that supported Mojave. 3.1.9 Support for wireless game controllers.
