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To install EPPlus from the command line, run the following command:
nuget install EPPlus -Version 4.5.3.15 -Source https://nuget.perfectxl.com/nuget/default/
To install EPPlus from the Package Manager Console within Visual Studio, run the following command:
Install-Package EPPlus -Version 4.5.3.15 -Source https://nuget.perfectxl.com/nuget/default/
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageReference Include="EPPlus" Version="4.5.3.15" />