Go to your PES 2017 installation directory (usually C:\Program Files (x86)\Steam\steamapps\common\Pro Evolution Soccer 2017\Data ).
: If the game crashes after adding the file, ensure the file size matches the original (typically around 300-400 MB ). A 0 KB or very small file indicates a failed download.
: Resolves issues where the game defaults to other languages (like Russian or Chinese) with no option to switch in the settings.
The "best" download is one that is:
into the "Data" folder or the "download" folder within his PES 2017 installation directory.