DWSIM

DWSIM 9.0.5

DWSIM is a Steady-State and Dynamic Sequential Modular Chemical Process Simulator for Windows, Linux and macOS.

  • By Daniel Medeiros
  • Open Source
  • Updated Oct 28, 2025
Download for Windows

About DWSIM

DWSIM is a software for modeling, simulating, and optimizing steady-state and dynamic chemical processes.

What's new in 9.0.5

What's New:

  • Implemented Unit Operation state restore after error (Beta)
  • Implemented Hydrocarbon solubility in water for Nested Loops Immiscible Flash
  • Fixed an issue with Nested Loops Three-Phase Flash
  • Fixed an issue with Bulk Petroleum Characterization Tool (Classic UI)
  • Fixed an issue with Orifice Plate Unit Operation
  • Fixed issue with Flowsheet Unit Operation
  • Fixed issue #875: Conversion and Concentration Profile Tab missing from Results Section in PFR
  • Fixed issue #801: Buttons in Element Matrix editor is missing
  • Fixed issue #887: Error running a flowsheet block that uses a kinetics reaction script
  • Fixed issue #893: Option to Change Integration Step/ODE Solver Volume Step for PFR in
  • macOS/Windows Cross Platform OS is not available
  • Other minor fixes and UI enhancements

Full release notes »

Technical details

PublisherDaniel Medeiros
AuthorDaniel Wagner
Version9.0.5
Release date2025-10-28
LicenseGPL-3.0
Installer typenullsoft
Architecturex64
Package IDDanWBR.DWSIM

Install DWSIM from the command line

Install with Windows Package Manager
winget install --id=DanWBR.DWSIM -e
Update to the latest version
winget upgrade --id=DanWBR.DWSIM -e
Uninstall
winget uninstall --id=DanWBR.DWSIM -e
Silent install with the offline installer
"DWSIM_v905_win64_setup.exe" /S

cadchemical-engineeringcomputer-aided-designflowsheetingmodelingsimulationthermo-librarythermodynamicsthermodynamics-modelsunit-operation

Frequently asked questions

Is DWSIM free?

Yes. DWSIM is free and open-source software released under the GPL-3.0 license.

What is the latest version of DWSIM?

The latest version is 9.0.5, released on Oct 28, 2025.

Is it safe to download DWSIM?

The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with f2a3da3ca25b1908d56cdbacdb8dc52e9fba45cb9b978c411736da2a67af45f4.

Which Windows versions does DWSIM support?

DWSIM runs on Windows and is available for 64-bit (x64) systems.

How do I install DWSIM silently?

Run the offline installer with "DWSIM_v905_win64_setup.exe" /S, or install it with Windows Package Manager: winget install --id=DanWBR.DWSIM -e --silent.

How do I uninstall DWSIM?

Open Settings › Apps › Installed apps, find DWSIM and select Uninstall. From the command line, run winget uninstall --id=DanWBR.DWSIM -e.

Alternatives to DWSIM

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