The installer will unpack temporary files. You might see a “Gathering required information” screen for 30–60 seconds.
Visual Studio might be stuck using a cached layout. Fix: Run devenv.exe /InstallVSTemplates or simply reboot your machine. net framework 45 developer pack link
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. The installer will unpack temporary files
Because version 4.5 is officially retired, Microsoft has largely consolidated its older downloads. net framework 45 developer pack link
By following the steps outlined in this article, developers can easily download and install the .NET Framework 4.5 Developer Pack and start building applications that take advantage of the new features and improvements in the .NET Framework 4.5.