Many engineers keep a Windows 7 or Windows 10 virtual machine with CODESYS 2.3.9 specifically to service older machines that cannot be upgraded to V3 due to hardware limitations or certification costs.
💡 : If you are starting a new project from scratch, it is highly recommended to use CODESYS V3.5 to ensure long-term support and better cybersecurity features. If you'd like, I can help you find: Specific Target Files for a brand like WAGO or Turck. codesys 2.3.9 download
CODESYS 2.3.9 is the final, most mature version of the CODESYS V2.3 family. Released in the late 2000s, it represents the end of an era before the architectural shift to CODESYS V3. This version is renowned for: Many engineers keep a Windows 7 or Windows
The CODESYS Group maintains an archive legacy portal. You can sometimes find the installer through: CODESYS 2