You may need to use the DpFileList Generator tool to organize and activate the new .cpk files in the correct order.
Once extracted, you typically copy the download folder files into your main PES 2017 directory.
Some versions include a "Pitch Mod" or "Turf Mod" for better-looking grass and stadium environments. Installation Overview
Real-world winter transfers up to March 2021.
Always ensure you back up your original game files before applying mods to prevent data loss. If you'd like, let me know: Have you already downloaded the other parts of the archive?
2020/2021 season kits for all major leagues, plus updated ball and boot packs.
Because this is an "AIO" (All In One) pack, it generally does not require you to have previous versions of the NSP patch installed, but you do need the base PES 2017 game.