GX Works3: Features, System Requirements & Official Trial Download
For engineers working with Mitsubishi Electric's newer controller families, GX Works3 is the engineering software you'll need. This guide covers what GX Works3 does, what it supports, the system requirements, and how to get the official 30-day trial directly from Mitsubishi Electric.
What Is GX Works3?
GX Works3 is Mitsubishi Electric's current-generation programming and maintenance software, purpose-built for the MELSEC iQ-R and MELSEC iQ-F series controllers. It replaces GX Developer for these newer platforms, while GX Works2 continues to serve the legacy Q and FX series.
Rather than a single editor, GX Works3 functions as a full engineering environment — combining programming, system configuration, module setup, and commissioning tools in one interface. It follows the IEC 61131-3 standard, supporting ladder, structured text (ST), and function block languages, so skills transfer easily to and from other automation platforms.
Key Features
- Structured programming in ladder and ST for easier project standardization across teams
- Graphic-based system configuration — drag and drop modules from a library instead of manual setup
- Module label and FB (function block) library built in as standard, with drag-and-drop insertion into ladder logic
- Simple motion module setup, from parameter configuration to positioning data and servo amplifier setup, in one environment
- Multi-language support, including device comment language switching, for global engineering teams
- GX Simulator3 integration for offline program testing before deployment to hardware
Supported Hardware
GX Works3 is designed specifically for:
- MELSEC iQ-R series controllers
- MELSEC iQ-F series controllers (FX5 family)
- MELSEC MX Controller
If your project uses older Mitsubishi controllers — the legacy Q series or FX3 and earlier — you'll want GX Works2 or GX Developer instead, as GX Works3 is not built for those CPUs.
System Requirements
GX Works3 runs on Windows 7, Windows 8.1, Windows 10, and Windows 11. Recommended baseline specs:
- RAM: 4 GB minimum, 8 GB recommended
- Storage: At least 10 GB free disk space
- OS: Windows 10/11 for the smoothest experience with the latest updates
Pricing and Trial Access
GX Works3 is commercial, licensed software — it is not free. A full license typically falls in the USD 1,000–5,000 range depending on edition and add-on modules, which is generally more affordable than comparable suites like TIA Portal or Studio 5000.
For evaluation purposes, Mitsubishi Electric offers a 30-day free trial with full functionality, available directly through their official portal.
How to Get the Official Trial
- Visit the Mitsubishi Electric Factory Automation site: https://www.mitsubishielectric.com/fa/products/cnt/plceng/smerit/gx_works3/index.html
- Use the official download/search portal to locate the current GX Works3 build: https://www.mitsubishielectric.com/fa/download/search.page?mode=catalog&kisyu=%2Fgx_works
- Register for an account if prompted — Mitsubishi requires registration for trial software access
- Select your region's portal, since download availability can vary by country
- If you can't locate the trial through the portal, your local Mitsubishi Electric distributor can issue a trial license directly and typically offers support during the evaluation period
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> Download Mitsubishi GX Works3 V1.120A Software
Final Thoughts
GX Works3 is the right tool if you're programming MELSEC iQ-R or iQ-F hardware, and the 30-day trial is enough to evaluate it on a real project before committing to a license. Since this is licensed engineering software tied to safety-relevant industrial systems, always download it from Mitsubishi Electric's official portal or an authorized distributor — this keeps you eligible for updates, technical support, and proper license validation.
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