Version 4.1.x is the last major series providing an MSI installer.
If you need an installer for systems that require the driver to be in the Windows Global Assembly Cache (GAC), such as , Excel , or Entity Framework 6 , you must use an older version. npgsql download exe
You can find legacy MSI installers on the Npgsql GitHub Releases page . Version 4
For 99% of developers building C#, VB, or F# applications, the "installer" is the NuGet Package Manager. Installation | Npgsql Documentation For 99% of developers building C#, VB, or
However, if you specifically require a Windows installer (MSI) for integration with legacy systems or specialized software, you can still access specific archived versions.
No standalone .exe installer currently exists for modern versions of Npgsql (5.0 and above). For modern .NET development, Npgsql is distributed exclusively as a to ensure compatibility and ease of dependency management.