NEW FEATURES:

EURO 2012: Updated EURO 2012 squads; added EURO 2012 Add-on compatibility (download later)
Leagues: Adjusted league structure for England, France, Germany with newly promoted teams
New boots: adidas EURO 2012 Boots + Nike Clash Collection
New faces: About 20 new / updated faces
New kits: Arsenal, Barcelona, Bayern, Benfica, Celtic, Chelsea, Cottbus, Dortmund, Gladbach, Hamburg, Hannover, Hoffenheim, Ingolstadt, Ireland, Leeds, Leverkusen, Liverpool, Mainz, Manchester City, Manchester United, Marseille, Middlesbrough, Milan, Newcastle, Real Madrid, Schalke, Sochaux, Stuttgart, Swansea, Valencia, Wigan, Wolfsburg
New teams: SC Bastia, Jahn Regensburg
Transfers: Added some first 12/13 transfers for European teams
How to install :
1. Delete the folder “kitserver” from the PES 2012main directory and also delete the
start menu folder “PESEdit.com 2012 Patch” – skip this if this is the first time you
install PESEdit.com 2012 Patch.
2. Install the patch using install.exe, make sure to choose the directory you installed
PES 2012 to.
3. Start the game via pes2012.exe / start menu folder “PESEdit.com 2012 Patch” /
PESEDIT SELECTOR

LINK
Part 1
Part 2
Part 3
Part 4
Part 5
Part 6