Microsoft .net Framework 4 Multi Targeting | Pack

When adding NuGet packages to a .NET 4.0 project, look for packages with a net40 or net4 folder inside the package. Many modern packages have dropped .NET 4.0 support (as of 2024, the minimum is often .NET 4.6.2). You may need older package versions.

Without this pack, Visual Studio would only allow you to create projects for the latest version of the framework you have installed. The Multi-Targeting Pack acts as a reference library, telling your compiler exactly which APIs and features are available in .NET Framework 4, even if you are working on a machine running .NET 4.8 or later. Why Developers Need It microsoft .net framework 4 multi targeting pack