Comprehensive Guide to Microsoft Report Viewer Version 12.0.0.0
The official download for Microsoft Report Viewer version 12.0.0.0 is found within the Microsoft Report Viewer 2015 Runtime redistributable package. This version is typically required for applications built with Visual Studio 2015 or those needing to display reports designed with Microsoft reporting technology. Download and Installation microsoft report viewer version 12.0.0.0 download
Version 12.0 was a bridge version that introduced better support for high-DPI displays and modern browser compatibility for WebForms. While newer versions exist (like version 15.0 for VS 2017/2019/2022), version 12.0 is often required for legacy applications that cannot be easily upgraded. Comprehensive Guide to Microsoft Report Viewer Version 12
You can download the installer directly from the Microsoft Download Center: microsoft report viewer version 12.0.0.0 download