Microsoft .net Framework 4.5 Developer Pack Download |top| Link

Windows 10, Windows 8.1, Windows 7 SP1, Windows Server 2012 R2, Windows Server 2008 R2 SP1.

The 4.5 framework brought several improvements for developers: Language Enhancements: microsoft .net framework 4.5 developer pack download

https://download.microsoft.com/download/2/B/6/2B6B78C3-EAB9-4C33-ABD8-DC29BF064D14/NDP45-DevPack.exe Windows 10, Windows 8

The Complete Guide to Microsoft .NET Framework 4.5 Developer Pack Download Windows 7 SP1

While newer framework versions dominate modern development, understanding how to locate, install, and troubleshoot the .NET Framework 4.5 Developer Pack remains essential for maintaining legacy systems. What is the .NET Framework 4.5 Developer Pack?

The reference assemblies for .NETFramework,Version=v4.5 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application.