: Open your antivirus or Windows Defender and check Protection History . If steam_api.dll is listed as a threat, select Restore and add the PES 2017 folder to your antivirus Exclusion/Exception list .
: If the file is missing entirely, you can download a fix archive (often a .rar file). Extract the contents using tools like WinRAR. Download Unable initialize Steam API PES 2017 rar
Copy the extracted steam_api.dll (and any other crack/fix files) into the main (where the PES2017.exe is located). : Open your antivirus or Windows Defender and