This is perhaps the most user-friendly option. It provides a visual interface where users can drag and drop files. It handles the command-line heavy lifting in the background.
To extract a retail PKG on a PC, you need both the AES key and the means to ignore or bypass signature checks (since extraction doesn’t require re-signing, just decryption). This is where the modding scene stepped in.
on how to set up one of these extraction tools on your PC or PS3?
Use the "Open" or "Import" function to select your .pkg file.