We did have it working with WIn7/32 for (5) years but we seem to have trouble making it connect to same localhost\SQLExpress under Win10/64 Build.
We have single license somewhere TBD (Removed) CR 2013 INTL WIN with (28) character serial number.
SAP Crystal Reports 2013 Viewer
Version: 14.1.8.2060
Build: 2013 Support Pack 8