Unfortunately, the Mac OSX is not supported at this time. I've checked the official requirements and it appears that Mac OS is marked with an X which means it's unsupported.
However, on a Mac you can install Windows in virtualization mode and continue using Travelogic that way. You can start with Bootcamp (already available within OSX) or Parallel Desktop.
Current system requirements:
![System Requirements](https://i.imgur.com/cbAq01p.png)