: For advanced troubleshooting, the game's CD key is stored in the Windows Registry under HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\KONAMI\PES2011 .

The system was designed to verify the game's authenticity while respecting user privacy.

Check the back of the game manual or the inside of the DVD case for the 20-character serial number.

Before you give up on the unlock request code ordeal, remember why this game is worth the effort:

: Visit the official manual activation website (historically hosted by SecuROM) and enter both your Serial and the Unlock Request Code displayed by the game.