Installation problems of 4.6.0 on macOS

Hi,
I am trying to install 4.6.0 (also tried 4.6.1) on macOS 10.15.3, just like Insongxf. I definitely have a stable internet connection and can access Google, but nonetheless the installation always fails asking me to contact the developer. I also end up having the Dynare folder in my Applications Folder. Could you let me know how to fix this? Or where would I find the install-log to find out what went wrong? Thank you!