Well it took me a while and it's very buggy and slow along with graphical issues but l present to you macOS Ventura on a 2015 iMac : r/mac
How to upgrade to macOS Ventura - Apple Support
Apple's macOS Ventura says farewell to the MacBook Pro (2015)
Ventura vs Big Sur: should you upgrade?
How to Install MacOS Ventura on Unsupported Mac | Ventura on Old Mac - YouTube
macOS compatibility: Can your Mac run Ventura? | Macworld
Ventura on Unsupported Macs [2012-2016] OpenCore Legacy Patcher!!! - YouTube
macOS 13 Ventura: These are the Macs that will support the new operating system - 9to5Mac
How to Install macOS Ventura on an Unsupported Mac?
MacOS 13 Ventura on Mid 2012 MacBook Pro : r/MacOS
How to Install macOS Ventura or Sonoma on Unsupported Macs, for Security Improvements - The Mac Security Blog
Amazon.com: 5-in-1 MacOS High Sierra | Ventura | Monterey | Big Sur | Catalina, Bootable USB Drive, Full Install/Upgrade/Restore/Recovery Mac OS X : Electronics
Will your Mac get the macOS 13 Ventura update? | TechRadar