Find the specific update (e.g., V8 or V7.2) from community sources like the PES Professionals Facebook Page or dedicated modding forums. Download all required parts (often split into 4+ parts).
Go to the section and click "Set Options File" to update your save data. Final Launch Steps: (Optional) Run Sider.exe if your patch version includes it. Find the specific update (e
Paste them into your (usually located in C:\Program Files (x86)\Steam\steamapps\common\Pro Evolution Soccer 2017 ). Select "Replace All" when prompted. Update the Selector: Copy the "Selector" files into the same main folder. Launch the PES Professionals Selector tool. Find the specific update (e.g.