Microsoft .net Framework 4 Multi Targeting Pack Official
Microsoft .NET Framework 4 Multi-Targeting Pack is a set of reference assemblies and metadata that enables developers to build applications specifically for .NET Framework 4 (and its sub-versions like 4.0.1, 4.0.2, and 4.0.3) using newer versions of Microsoft Visual Studio Microsoft Support Purpose and Functionality Targeting vs. Running: While the .NET Framework is required to apps on a user's machine, the Targeting Pack is for the developer's
Sometimes, when opening an older .csproj file, Visual Studio will prompt you to upgrade the project to .NET Framework 4.8 or .NET 6/8. microsoft .net framework 4 multi targeting pack
对于 .NET Framework 4.5.1、4.5.2、4.6 及之后的版本,微软官方提供了“Developer Pack(开发人员工具包)”。这是一个集成了目标包和对应 .NET Framework 运行时的统一安装包。开发者可以在 Visual Studio Installer 中直接获取,或者在 Microsoft 下载中心搜索对应版本的“Developer Pack”手动安装(例如 .NET Framework 4.5.2 Developer Pack)。 Microsoft