: You can maintain the internal folder structure required for the game to read the modded files correctly. Step-by-Step Guide to Packing Files

đź’ˇ : Always keep a backup of your original "Data" and "Download" folders before applying new .cpk files to avoid a full reinstallation of PES 2021.

If you tell me what specific mod you're trying to create, like or stadiums , I can provide the exact folder structures you need.

: Ensure you aren't exceeding the maximum file limit for a single .cpk archive.

If you want to reach the "top" tier of modding, you should utilize these advanced features: