Because the platform is in its official service phase, the CODESYS Group Official Store primarily hosts modern setups and migration tools. To find standard installer binaries for the 2.3.9 framework, engineers must use authorized manufacturer download repositories: 1. Vendor Hardware Bundles (Recommended)
As of 2025, CODESYS has moved V2.3 to a “maintenance only” legacy status. You may need a free community account to access the download. codesys 2.3.9 download
Despite the availability of modern, object-oriented environments, CODESYS V2.3 variants (such as versions 2.3.9.35 through 2.3.9.42) are vital for specific automation ecosystems: Because the platform is in its official service