Once you have downloaded the installation package, follow these best practices to ensure a smooth setup:
Immediate compatibility with the newest MELSEC iQ-R modules and safety PLCs.
The latest version of 1.123D , released in January 2026. This engineering software is specifically designed for Mitsubishi’s MELSEC iQ-R and iQ-F series, providing a unified environment for system design, programming, and maintenance. How to Download download gx works 3 latest version
: A trial version is typically available for testing before purchasing a full license. System Requirements
Occasionally, older Windows environments block the installation due to missing .NET components. If you encounter this, open your Windows Control Panel , go to Programs and Features , and click Turn Windows features on or off . Check the box for .NET Framework 3.5 , click OK, and allow Windows to download the necessary files before retrying the installation. Once you have downloaded the installation package, follow
What (e.g., FX5U, R04CPU) are you planning to program? Do you have an existing license key , or What version of Windows is running on your engineering PC? Share public link
Once logged in, you will see a button. Click it, then click the cloud-shaped download icon. Wait for the download to complete; the file size is approximately 3.78 GB. How to Download : A trial version is
Choose your preferred language for the installation process. Accept the Software License Agreement. Entering the Product ID (Serial Number)
Click the button. The file will typically download as a compressed .zip package. Installation and Activation Process
Choose the supplemental tools you want to install, such as the GX LogViewer or the CPU Module Simulation tool.
Most regional sites require a free user registration before downloading any software. On the Chinese site, for example, you must: