Solution I installed Version Packet Tracer 7.3.1 on Mac High Sierra and it works fine, so please ignore version 8 and install older version. Thanks

Hi, I also have MacBook Pro Mid 2010 and can't upgrade, it is now High Sierra. I was trying to install Packet Tracer 8.0 but failed with below error: Error during installation process (com.cisco.pt):Execution failed (Unexpected exit code: 6): "/Appli...