Software Update says it's up-to-date and won't install Catalina. Any suggestions?
The Apple support site shows that my mid-2012 Macbook Pro Retina, with Mojave 10.14.16 installed should be compatible with Catalina (Model and memory space). However, Software Update says it's up-to-date and won't install Catalina. Any suggestions?
[Re-Titled by Moderator]
MacBook Pro 15", macOS 10.13