Microsoft .net Framework 4 Multi Targeting Pack -

: Contains metadata and IntelliSense files for .NET 4.0.

If you are looking to download these tools for development, they are often bundled within the .NET Framework Developer Packs available through Microsoft Learn Visual Studio Installer manually change the target framework for an existing project in Visual Studio? microsoft .net framework 4 multi targeting pack

: Starting with Visual Studio 2022, these older targeting packs (4.0 through 4.5.1) are no longer included or officially supported. : Contains metadata and IntelliSense files for

For modern developers using Visual Studio 2017, 2019, or 2022, the installation process is handled through the : Open the Visual Studio Installer . Select Modify on your current installation. Navigate to the Individual Components tab. For modern developers using Visual Studio 2017, 2019,

You are writing a NuGet package that must support multiple targets: net40 , net45 , net48 , and net8.0 . To properly compile against net40 , your development machine needs the targeting pack to verify API compatibility.