While a allows you to run apps, the Developer Pack allows you to build them. It includes: The .NET Framework 4.5 software: The core libraries.
Open the "Visual Studio Installer" app, click Modify , and check the Individual Components tab. You can often toggle older versions here. net framework 45 developer pack link
Here is the official and detailed information regarding the . While a allows you to run apps, the
Microsoft provides separate downloads for the base version and its sub-versions (4.5.1 and 4.5.2): You can often toggle older versions here
If you open an older project in Visual Studio and see an error stating "The target framework '.NETFramework,Version=v4.5' was not found," it means you are missing this pack. Without it, you cannot: Compile code targeting .NET 4.5.
If you're having trouble with a specific error during installation: (e.g., Windows 10, Server 2019) Visual Studio version (e.g., 2019, 2022) The exact error message