Often, a licensed copy of LADDER-III is included when purchasing FANUC equipment.
: If you do not have a portal login, you should contact your local FANUC representative. They provide the installation media (often via a secure download link or physical USB) upon verification of your license.
: Windows 10 and Windows 11 (Pro/Enterprise 64-bit).
Note: This software is proprietary and not legally available for free on public download sites. A proper review must address the installation process.
If you are a maintenance engineer, integrator, or machine tool builder working with Fanuc controls, It is the most stable and compatible version released to date. However, do not expect a polished, modern software experience. It is a utilitarian tool designed for function over form.
Occasionally, a used industrial PC or CNC panel that is being decommissioned includes an installed, licensed copy of Ladder-III. Fanuc allows license transfer upon proof of hardware decommissioning. This is rare but legal.