If you are now able to access http://localhost:1947/_int_/features.html, but are still receiving the same error message, try adding an exception in your firewall to allow hasplms.exe located in C:\Windows\System32.
The 30-day evaluations are locked to the machine that they are installed on, not the machine they are downloaded to. You can download the evaluation on one machine, and install it on another machine. Your 30-day evaluation will be applied during the installation.
We do not offer any of our software packages for macOS. You could however install and run the software on a Windows virtual machine. Note: The evaluation versions of our software cannot be run on a virtual machine or accessed via Remote Desktop(only our paid versions offer this functionality).