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How do you run a OpenFlows | Hydraulics & Hydrology (H&H) product in 32 bit mode?
You may have a need to do this if you have a 32 bit Microsoft office product and need to use Modelbuilder with an Excel file or Access database. In this case Modelbuilder requires that you run the product as 32 bit in order to access the Microsoft components.
The 32 bit version of OpenFlows products are automatically installed along with the 64-bit version (the installer deploys two instances). This is due to platform support; ArcMap and MicroStation currently only have a 32-bit version, so the 32-bit instance of the OpenFlows product is installed in order to support such integration.
The 32-bit instance of the OpenFlows product is installed to the root installation folder, which by default is: "C:\Program Files (x86)\Bentley\ProductName\". At this location, there will be an .exe file for the main program such as "WaterGEMS.exe" or "SewerGEMS.exe".
Double click the main executable file to open the 32-bit version of the product. You will notice under File > Help > About (or Help > About on older versions) that 64-bit is no longer indicated.
Opening a product as a 64 bit product.