For Pro Evolution Soccer 2013 to run correctly on a 64-bit version of Windows, it often requires a specific registry key located in the Wow6432Node path. This is commonly used to fix "PES 2013 is not installed" errors when you have moved the game files without running the original installer. PES 2013 64-Bit Registry Details
If you're still hitting a wall, resources like RegFiles.net provide pre-generated templates, but building your own is usually the fastest fix for 64-bit pathing errors. Pes 2013 Registry File 64 Bit
Confirm the Prompt: Click Yes when the User Account Control (UAC) prompt appears, and Yes again to confirm you want to add the information to the registry. For Pro Evolution Soccer 2013 to run correctly
Bypassing Missing Installers: Manually "installing" the game in the registry if you have moved the game folder to a new drive without running the original installer. Registry File Content for 64-Bit Windows "PES 2013 registry keys Wow6432Node" "Pro Evolution Soccer
To understand the fix, you have to understand the cause.