unfortunately, a lot of the information on here will be outdated. the most up to date and accurate information can be found at the wiki and the guide.
the information here will continue to be served for a) backup/redundancy and b) archival.

File | Pes 6 Registry

To resolve issues like "The game is not properly installed" for , you can create a registry file (.reg) to manually define the game’s path and settings. PES 6 Registry Template (64-bit Windows)

If you don't have a .reg file, you can create one manually using Notepad: PES 6 The game is not properly installed FIX (EASY WAY) pes 6 registry file

The most reliable way to fix these issues is to create a .reg file. This is a text file that automatically inserts the correct data into your Windows Registry when double-clicked. To resolve issues like "The game is not