Here is everything you need to know before you hit "download."
Read and accept the end-user license agreement (EULA).
To download files from the store, you must register a free user profile. Click on the "Login/Register" button, fill out your professional contact details, and verify your email address. Step 3: Use the Search Function
Create basic HMI screens directly inside the IDE to test your logic or deploy to integrated text/graphic panels.
What specific are you trying to program?
Always scan any executable downloaded from third‑party sites with a reputable antivirus tool before installation. The safety of files hosted on personal cloud drives cannot be guaranteed.
Because CODESYS 2.3 was rebranded and packaged by hardware vendors, their support portals are the safest sources:
Modern IDEs are heavy. CODESYS 2.3.9 is incredibly lightweight, often running smoothly on older field laptops where modern "bloatware" would crawl. The Learning Curve:
While CODESYS V3 is the current flagship platform, version 2.3.9 is still actively maintained and used. It serves as the backbone for millions of existing industrial machines, mobile automation systems, and embedded controllers globally. Why Version 2.3.9 Still Matters in Modern Automation