Installing OR-Tools for .Net from Binary on Windows


This guide explains how to install OR-Tools for .Net on Windows.

Although these instructions might also work on other Windows variants, we have only tested them on machines meeting the following requirements:

  • Windows 10 64-bit (x86_64) with
  • Microsoft Visual Studio 2017 or Visual Studio Community 2017

Prerequisite: Visual Studio

To install and run OR-Tools on Windows, you must have Visual Studio 2017 or later installed on your computer with the C++ toolset for Visual Studio. You can find more details here.

To build OR-Tools programs from the command line you must use a x64 Native Tools Command Prompt (not the Developer Command Prompt). You can find more details here.

Prerequisite: .NET Core 2.1 SDK

You must install the package .NET Core 2.1 SDK version 2.1.302 or higher from the following location: dotnet-sdk-2.1.402-windows-x64-installer

Installing OR-Tools

Take the following steps to install the OR-Tools library for .Net:

Download and extract the binary distribution for your system:

FlatZinc binary distributions

FlatZinc is a solver input language understood by a wide range of solvers.
OR-Tools also provides binary distributions with FlatZinc support:

Validate your installation

To test your .Net installations, open a x64 Native Tools Command Prompt and navigate to the directory where you unpacked the binary distribution. Then enter the following command:

tools\make test_dotnet

This runs a selection of examples for OR-Tools. If all the examples run successfully, you are ready to get started with OR-Tools.

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