On a 64-bit version of Windows, the system separates 32-bit software registry entries using a subsystem called (Windows on Windows 64-bit). If your PES 6 installation or patch installer looks for the registry keys in the standard location instead of the Wow6432Node directory, the game will fail to launch, throw "Game not properly installed" errors, or refuse to save your settings. Method 1: Automatically Fix the Registry Using a .reg File
[HKEY_CURRENT_USER\Software\KonamiPES\PES6] "installdir"="C:\Games\PES6\" "language"=dword:00000409 pes 6 registry 64 bit install
The most common solution is applying a registration script. You can find pre-generated templates at RegFiles.net that include the proper structure. On a 64-bit version of Windows, the system
Under the tab, enable Run this program in compatibility mode for: and choose Windows XP (Service Pack 3) or Windows 7 . You can find pre-generated templates at RegFiles
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\
If the registry fix does not work, it is often because of newer DirectX versions or resolution limitations.