How To Play PES 2015 Online With We Italian Patch 0.9
With steam to go online the game starts with only pes2015.exe paths\root of steam,
so assuming you all the downloaded patch, you’ll eliminate all files of the package:
WE ITALIAN 2015 Base Patch.7z (or not download it)
and you’ll have to download the new WIP Add Online.7z as the basis of the patch
Read more here.