The 4.5 framework brought several improvements for developers: Language Enhancements:
package from NuGet and manually copying the files to your Reference Assemblies folder. System Requirements To run these developer packs, your system typically needs:
The .NET Framework 4.5 Developer Pack is a collection of software packages that includes the .NET Framework 4.5, as well as additional tools and libraries that developers need to build and test applications that target this framework. The pack includes:
The installer will extract temporary files to your %temp% directory. This may take 2–3 minutes.