In your Visual Studio project, right-click > Add Reference .
That specific version was part of Microsoft Report Viewer 2008 SP1 (or SP2) redistributable, and Microsoft has long since superseded it. microsoft.reportviewer.common version 9.0.0.0 download
This will pull the correct assemblies into your project's packages folder and, if configured correctly, copy them to your build output. In your Visual Studio project, right-click > Add Reference
While Report Viewer 2015 or 2019 are more modern, they are not "drop-in" replacements. The XML schema for .rdlc files changed between versions. If you attempt to use a v9.0 report with a v12.0 viewer, the application will likely crash or require a full upgrade of the report definition files. In your Visual Studio project