The debwin4.exe is in your List & Label installation directory in the subfolder “Miscellaneous”.
You can copy the debwin4.exe without other dependencies to another system. To create log files for server/web applications it is necessary to run Debwin4 as administrator (context menu “Run as administrator”) and select “Capture List & Label Log”. Logging in services and web applications is then started automatically.
For more details please refer to the following article: Troubleshooting Guidance