sorry it's ok, i found it in: C:\Program Files (x86)\SAP BusinessObjects\Crystal Reports for .NET Framework 4.0\Common\SAP BusinessObjects Enterprise XI 4.0\win32_x86\dotnet\and works! thanks for new version.
We have launched our application written on the .Net framework 4.7.1 in this way https://www.youtube.com/watch?v=a_4-dH-JY-M (on the current version of the working .net core 3.0) and it does not work only CR module. Maybe in this way it is also poss...