Once you have the official file, follow these instructions:

The official software is available directly from the CAREL Programming Tools portal .

Right-click setup.exe and select Run as Administrator to avoid Windows registry access blocks.

To download and activate , the primary development system for Carel programmable controllers, you can use the official CAREL software and hardware activation portal . Official Access and Activation

: You can find documentation and potentially installer links on the CAREL Website .

This article is for educational purposes. The must always be obtained from CAREL’s official distribution channels. Unauthorized distribution, reverse engineering, or commercial resale of CAREL software violates international copyright laws and the Digital Millennium Copyright Act (DMCA). Always respect intellectual property.

If you are a facility manager and cannot obtain the software, call your original equipment manufacturer (OEM). Companies like Emerson, Frigopol, or Zanotti bundle 1Tool with their units and can provide the custom installer via their OEM portal.

“1tool is the oldest of the development tools for the CAREL programmable controller platform... All the different environments share the information needed to best support the development of the software application.” CAREL Industries

CAREL generally requires technical personnel to complete an official training course before purchasing a valid license. Core Components of the 1Tool Suite

The Complete Guide to Downloading and Installing Carel 1Tool

Once you have access, the process is generally straightforward. Based on official documentation, here is the typical workflow: