Whether you are maintaining a legacy application or setting up a new dev environment, finding the right installer for .NET Framework 4.5 can be tricky since it is an older version. The Direct Download
Purpose and audience
If you are maintaining legacy applications or setting up an older development environment, finding the correct .NET packages can sometimes feel like digital archaeology. While modern Windows versions run on .NET 4.8 or .NET Core, many enterprise applications still rely on the specific libraries found in .NET Framework 4.5. net framework 45 developer pack link
No. .NET Core and .NET 5/6/7/8/9 do not use the .NET Framework reference assemblies. However, if you ever open a legacy *.csproj targeting net45 , you will need it. Whether you are maintaining a legacy application or
Direct download links for the .NET Framework 4.5 Developer Pack are essentially no longer available as a standalone package for the base 4.5 version because it reached its on January 12, 2016. Direct download links for the