Install the latest version of Kitserver (e.g., version 6.6.4).
By following these steps, you should be able to bypass the "No CD/DVD-ROM" limitation and enjoy one of the greatest football simulators ever made. Whether you are playing the vanilla version or a total conversion mod, these technical workarounds ensure the game stays playable on today's hardware.
Community-made installers often bypass these legacy hardware checks entirely.
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\KONAMI\PES6] "code"="YourRegistrationCodeHere" "installdir"="C:\\Program Files (x86)\\KONAMI\\Pro Evolution Soccer 6\\" "version"="1.0" Use code with caution. Copied to clipboard
Use software like PowerISO or Daemon Tools to mount a "backup" ISO image of the game. This tricks the computer into thinking a physical disc is inserted.