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Running Molflow on Windows

To run Molflow on Windows, do the following:

  • Download the latest Windows version (zip file)
  • Extract it to any folder (hint: system folders, like C:\ or C:\Program Files aren't recommended: the built-in updater won't have permission to write)
  • In the extracted folder, run molflow.exe


Recent Molflow versions are developed in Visual Studio Community 2019 on Windows 10. They rely on the Visual C++ 2015 redistributable package (x64 version) and the Universal Windows CRT package.

  • The Visual C++ 2015 redistributable is shipped with Molflow (vcruntime140.dll and msvcp140.dll in the program directory)
  • The Universal Windows CRT package is already present on Windows 10, and comes as a Windows Update package on older systems (Windows Vista to Windows 8.1)

If Molflow is not running (missing api-ms-win-crt-runtime-l1-1-0.dll, for example), do the following:

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