You can install macOS Sonoma on your Unsupported Mac with OpenCore Legacy Patcher! This video is a comprehensive full step-by-step walkthrough that anyone can follow! CHAPTERS & UPDATES BELOW
How to Backup and Restore your Mac with Time Machine
https://support.apple.com/en-us/104984
How to install macOS Sequoia on your Unsupported Mac with OpenCore Legacy Patcher
https://youtu.be/rfa2aSm7OxQ
OpenCore Legacy Patcher official website
https://dortania.github.io/OpenCore-Legacy-Patcher/
Direct OCLP pkg installer 2.0.1 download
https://github.com/dortania/OpenCore-Legacy-Patcher/releases/download/2.0.1/OpenCore-Patcher.pkg
Support the OpenCore Legacy Patcher Developers (Open Collective)
https://opencollective.com/opencore-legacy-patcher
Support Mr. Macintosh
https://www.patreon.com/mrmacintosh
https://paypal.me/mrmacintoshblog
https://MrMacintosh.com