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If you are a Windows developer working with Visual Studio 2012, 2013, or even older legacy applications in VS 2015/2017, you have likely encountered a frustrating build error: “TargetFrameworkAttribute is missing” or “Reference assemblies for framework .NETFramework,Version=v4.5 were not found.”
The developer pack primarily integrates with older Visual Studio iterations. If you are using Visual Studio 2012 or Visual Studio 2013, the Developer Pack will seamlessly install the targeting profiles. net framework 45 developer pack link
You cannot compile new code or target this version inside Visual Studio using just the runtime. .NET Framework 4.5 Developer Pack (SDK) Purpose: Built specifically for software engineers. If you are a Windows developer working with
Why developers need it
If you are a developer looking to build applications targeting .NET 4.5 using Visual Studio, you’ve likely realized that simply having the runtime isn't enough. You need the . Without the Developer Pack, your computer might run
Without the Developer Pack, your computer might run .NET 4.5 apps perfectly, but Visual Studio will refuse to compile new code targeting that framework version.
These are "empty" versions of the libraries that contain only the metadata. They tell your compiler and Visual Studio which classes and methods are available in .NET 4.5.
