• Scan the download: run your antivirus or Windows Defender quick scan on the downloaded file.
  • Install or extract:
  • Launch the tool:
  • Open a CPK:
  • Extract assets:
  • (Choose the one that matches your OS and comfort level: GUI for ease, CLI for advanced control.)

    The safest way to download these tools is directly from the developer's repositories on GitHub.

    (Note: Avoid downloading these tools from random "file hosting" sites, as they often bundle adware or malware with the executable.)


    A CPK file is a compressed archive format created by CRI Middleware. It functions similarly to a .zip or .rar file but is optimized for video game performance, allowing the game to stream data (like cutscenes and music) quickly without loading everything into RAM at once.