Always backup your existing map_balls.txt or DpFileList.bin before making changes.
Open the .rar file and extract the ball-server folder. Download Football 2022 New Ball rar
Copy the .cpk to your PES 2017 download folder. Always backup your existing map_balls
Copy the contents to your game's Sider directory (usually Sider/content/ball-server ). Download Football 2022 New Ball rar