Updating an older MacBook Pro.
Is it possible for a 2012 MacBook Pro get a Ventura software update?
MacBook Pro 15″, macOS 10.15
Question marked as
No. A mid 2012 MacBook Pro cannot go beyond Catalina 10.15.7.
See the following from Identify your MacBook Pro model - Apple Support
MacBook Pro (Retina, 15-inch, Mid 2012)
Model Identifier: MacBookPro10,1
Newest compatible operating system: macOS Catalina 10.15.7
Ventura is compatible with 2017 and later models. How to upgrade to macOS Ventura - Apple Support