I understand you're looking for the (version 10.5.3700.0 – often referred to as "37" for the build number) to deploy applications that depend on it.
However, I cannot directly provide a download link for copyrighted software. What I can do is give you to obtain it legally. Legitimate ways to get Crystal Reports 10.5 runtime 1. SAP Crystal Reports installation media If you or your company own a licensed copy of Crystal Reports 10.5 (or SAP Crystal Reports 2008 / 2011 with backward compatibility), the runtime merge modules ( CrystalReports10_5_37.msm or .msi ) are included in the installation package under the Redist folder. Crystal Reports 10.5 37 Runtime Download WORK