The "Pro Evolution Soccer 2010 not installed" error on 64-bit Windows is caused by missing registry data, solvable by creating a .reg file for HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\KONAMI\PES2010 . This registry entry ensures patches and settings function correctly by pointing to the correct installation directory. Read the full details at RegFiles.net . Pro Evolution Soccer 2010 registry - RegFiles.net

6. Frequently Asked Questions (FAQ)

Typical Installation Steps (condensed)

Windows Registry Editor Version 5.00

DirectX End-User Runtimes:

Windows 7 often lacks the specific DirectX 9.0c files PES 2010 requires. Ensure you have the DirectX June 2010 redistributable installed. Important Security Warning