With this clarified, your "runtime 105" download goal is essentially to find and install the official .

for better compatibility with modern Windows 10/11 (64-bit) environments. Direct Download Sources Official SAP Software Downloads

Download the 64-bit MSIEnsure you are downloading the 64-bit version. Even if your operating system is 64-bit, the choice depends on how your application was compiled. If the application is compiled as "x64" or "Any CPU" running on a 64-bit OS, the 64-bit runtime is required. Installation Steps Close all active applications. Run the MSI installer with administrative privileges. Follow the setup wizard prompts.

This download is strictly for developers maintaining software built in the Visual Studio 2008/2010 era.

Because this version is completely out of its support lifecycle, SAP no longer hosts standalone direct links for it on their primary download grids. Your best option is to look for the CRRedist2008_x86.msi

Before downloading and installing Crystal Report Runtime 10.5, ensure your system meets the following requirements:

Not exactly. "Crystal Reports 2020" is the designer tool. Runtime 105 (SP21) is the deployment engine. They are compatible, but SP21 was released after CR 2020.

If you have an older version of the runtime installed, the installer will likely ask to upgrade it. Proceed with the upgrade.

Mixed-Mode AssembliesIf you encounter errors regarding "mixed mode assemblies," you may need to add a line to your application’s app.config file. Set the "useLegacyV2RuntimeActivationPolicy" attribute to "true" within the startup tag to allow the older runtime to load in newer .NET frameworks.

In this comprehensive guide, we will cover:

This pulls the identical 64-bit runtime assemblies directly into your project output.

Last updated: 2025 (reference to 2021 release). For the absolute latest security updates, consider migrating to SP35, but SP21 remains fully functional.

Crystal Reports Runtime 105 Download 2021 64-bit: A Complete Guide

To get your reporting engine up and running, follow these steps to secure the right files and configure your environment.

This runtime allows applications that were developed with Crystal Reports (e.g., Visual Studio 2015, 2017, 2019, 2022) to be deployed on machines that do have the full Crystal Reports Designer installed.