Pack Download !full! - Microsoft .net Framework 4.5 Developer

Windows 10 and 11 come with .NET 4.8 (or 4.8.1) pre-installed. These newer versions include multi-targeting packs that allow you to build applications for 4.5 without needing the legacy developer pack. However, if Visual Studio fails to list 4.5, you may still need to install the 4.5.2 Developer Pack via the "Turn Windows features on or off" panel (enable .NET Framework 3.5 and 4.8, then install the targeting pack from VS Installer).

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Contains reference assemblies needed to build applications targeting .NET Framework 4.5. Language Packs: Provides localized resources. IntelliSense Files: Provides help documentation within IDEs like Visual Studio. Microsoft Support Download and Installation Windows 10 and 11 come with

Last reviewed: April 2026. For the most current downloads, visit dotnet.microsoft.com/download and search for "targeting packs". Better performance in garbage collection and high DPI

: Reference assemblies that allow developers to target the .NET Framework 4.5 specifically, even if a newer version of the framework is installed on the machine. Language Packs