Downloading Opton 5.0.9600.16384 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. Opton3.exe or Opton4.exe are the default file names to indicate the Opton installer.
The most popular versions of the program 5.0, 3.8 and 3.3. Opton lies within System Utilities, more precisely System Optimization. The latest version of the program can be installed on PCs running Windows XP/Vista/7/8/10/11, 32-bit. This free software is an intellectual property of Symmetron. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Opton is a Windows application designed to be used with Stylitis-10 and Stylitis-Power dataloggers. Opton replaces Set-10, adding new features such as better management of datalogger sites and easy sensor factor calculation. Opton has been designed to streamline operations and allow users to work with data as simply as possible.
You may want to check out more software, such as ActiveSpeed, Advanced WindowsCare Professional or Vista Manager, which might be related to Opton.