The Alpha v0.5a version includes several critical editing functions: Player Database Management:

The primary purpose of this tool is to edit the game's save data file ( EDIT00000000 ), which stores all user-made edits.

Locate your PES 2017 installation folder. Ensure you have a backup of your original EDIT00000000 file and relevant Loading Data: Open the editor and load the Dt10_x64.cpk or specific extracted files (like Player.bin Making Changes: