System Requirements for DWSIM on Windows Platform
OS: Windows: 64-bit x86 XP/Vista/7/8/10
Linux: 64-bit x86 Ubuntu 12.04 or newer / 32-bit armhf Raspbian/Ubuntu MATE
macOS: 10.7 (OS X Lion) or newer Software: Microsoft .NET Framework 4.5 or newer (Windows) Mono Framework 5.0.0 or newer (Linux/macOS)
CPU: 1.0 GHz dual-core processor (minimum)
Memory: 1 GB RAM
Graphics Card: 128 MB with OpenGL hardware acceleration
Display: a 1280x800 display resolution is recommended as a minimum.
Disk space: 300 MB for program files
Steps to be followed for installing DWSIM Version 8.0 (Windows)
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Download the latest version of DWSIM from
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Once downloaded the executable file “DWSIM_bin_vxxx_setup”, right-click the file and select “Run as Administrator” option.
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Once you click it, you will be alerted with a dialog box asking for installer language. Choose English
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Then DWSIM X.X Setup wizard appears. Click Next to continue.
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Then click I Agree followed by Next. Now you will be asked to choose components to be installed by showing a list of 5 components [DWSIM, ChemSep X.XX, CAPE-OPEN type libraries for 32-bit and 64-bit Windows, Register type libraries]. Make sure that you check all the checkboxes in the list (i.e, choose all 5 components) and click Next to continue.
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To install in different folder, you can change the destination but please remember the location of the destination file.
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Click Next to continue and click Install to begin the installation.
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The installation begins and waits till you encounter a ChemSep X.XX LITE Setup wizard. Now just click I Agree button [retain the default installation option: “Install for anyone using this computer”] and click Next till you see Install button and then click it to begin the installation of Chemsep. Follow the screen instructions till you finish the installation.
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Once ChemSep X.XX installation is complete setup wizard for CAPE-OPEN type libraries will show up. Follow the instructions on screen and complete the same.
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Once installation is completed without error, click Next and click Finish to close the wizard. You will notice two icons in the desktop titled “DWSIM (Classic UI)” and “DWSIM”
