Download

Request the installer, then activate the trial.

Start with approved installer access. After setup, copy the Machine ID from ModbusSim and submit it for a machine-bound 14-day trial key. The trial uses light theme only; longer Evaluation, Engineering, and custom licenses are reviewed manually.

Request Installer Request Trial License Open Quick Start

Step 1

Request access to the installer.

This request is for the Windows setup file. After approval, the installer link is sent by email.

Step 2

Request the 14-day trial license.

Submit this request after installation and after copying the Machine ID from the License page.

Name * Email * Company or project Machine ID *

Message *

IO Module Live System Personalization: language only Behavior Model Engineering Tuning Report Export

The Machine ID is required because the trial key is generated for the installed computer. Dark theme requests require Engineering, custom, or approved extended licensing.

The key is generated after the Machine ID is reviewed.

System requirements

Operating systemWindows 10 or Windows 11

Runtime directionThe installer package or setup instructions provide the required .NET runtime path.

Connection scopeExternal controller communication over Modbus TCP or RTU.

What the download page explains

Request installer access before the setup link is sent
First launch opens the License page when no license is active
The trial requires the Machine ID from the installed application
The 14-day trial uses light theme only
Extension requests should include the current License ID, duration, and reason
Paid licenses can use the same Machine ID and feature list

First Launch Path

Keep the first-use instructions short and practical.

Request installer

Submit the installer form and wait for the approved setup link.

Install and launch

Run setup, open ModbusSim, and copy the Machine ID.

Request trial key

Submit the trial form with the copied Machine ID.

Activate and test

Paste the key and confirm the enabled features in light theme.

Trial Display Scope

Set the language first and keep theme expectations clear.

The trial uses light theme only. Language selection remains available for localized support screenshots.

Language selector

ModbusSim personalization page showing available application languages.

Choose the language before preparing localized documentation.

Language check

ModbusSim personalization page showing a selected application language.

Capture screenshots when visible UI text must match the page language.

Dark theme availability

ModbusSim personalization page showing the dark theme option.

Dark theme is available for paid or approved extended licenses, not the standard trial.

Early Access

Installer delivery is handled by email.

The setup link and machine-bound trial key are sent after each request is reviewed.

Review Pricing Flow Open Quick Start Open Support View Policies