To fix errors like "PES 2013 is not installed" on 64-bit systems, you must use the Wow6432Node Copy and paste the code below:
For a pre-made registry file or detailed modding support, you can check community repositories like RegFiles.net or the PES 2013 Archive. Pro Evolution Soccer 2013 registry - RegFiles.net
Implementing a 64-Bit High-Quality Registry File for PES 2013
You don't always need to download a file from the web; you can create a safe, high-quality one yourself using Notepad. Pro Evolution Soccer 2013 registry - RegFiles.net
Save the file: Go to File > Save As, name it pes2013.reg, and select "All Files" as the file type.
Note: Replace YOUR-SERIAL-CODE-HERE with your game key (including dashes). Ensure installdir matches your actual game folder path, using double backslashes (\\).
Vsync: If you experience screen tearing, run the settings.exe in your game folder and enable Vsync. Why This Matters