You will need a flash drive with at least 16GB to 32GB of storage. Step-by-Step Installation Guide How to Install Sonoma on a 2012 MacBook Pro
Do not skip this. macOS Ventura or later on a spinning hard drive is torture. You need an SSD (Solid State Drive) and at least 8GB of RAM (16GB is better). jailbreak macbook pro 2012
Download the latest version available (e.g., Sonoma or Sequoia). You will need a flash drive with at