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This topic describes how to add the GroupDocs.Merger library to your .NET project.

GroupDocs.Merger is available on NuGet. Starting from version 26.4, the main GroupDocs.Merger package is a meta-package that automatically pulls in the correct runtime package for your project’s target framework.

Open a terminal in your project folder and run:

dotnet add package GroupDocs.Merger

In Visual Studio, open Tools > NuGet Package Manager > Package Manager Console and run:

Install-Package GroupDocs.Merger

Add directly to your .csproj file, replacing x.y.z with the version you want to use (for example, the latest version listed on NuGet):

<PackageReference Include="GroupDocs.Merger" Version="x.y.z" />

The GroupDocs.Merger package selects one of the following runtime packages based on your project’s target framework:

The GroupDocs.Merger.Net60, GroupDocs.Merger.Net80 and GroupDocs.Merger.Net100 packages run on Windows (x64, x86), Linux and macOS. To run on Windows ARM64, target net6.0-windows, net8.0-windows or net10.0-windows so that the .Windows runtime package is used.

In most cases, install only the main GroupDocs.Merger package — NuGet will resolve the correct runtime package automatically. You can also install a specific runtime package directly if needed:

dotnet add package GroupDocs.Merger.Net80

Note

GroupDocs.Merger.LowCode is a separate NuGet package (.NET 6.0 and later) with single-purpose products such as JoinPdf or SplitDocx. Install it only if you use those products:

dotnet add package GroupDocs.Merger.LowCode

You can also download the assemblies as a ZIP archive or MSI installer from the GroupDocs Releases website.

1. Download the ZIP or MSI for the desired version.
2. Extract files (ZIP) or run the installer (MSI).
3. In your project, add a reference to the GroupDocs.Merger.dll file for the target framework you need. The ZIP archive keeps the assemblies in the lib folder (for example, lib/net8.0/GroupDocs.Merger.dll), including the -windows builds; the MSI installer places them in the bin folder of the installation directory (bin/net462, bin/net6.0, bin/net8.0, bin/net10.0).

After installing, verify that the package is accessible by printing the loaded assembly version:

using GroupDocs.Merger;

Console.WriteLine(typeof(Merger).Assembly.GetName().Version);