In order to use the desktop programs you need to have a suitable Python environment (both 2.7 as well as 3.4 are supported) on your system. Python is pre-installed on OSX and available at https://www.python.org for Windows.
In addition you need the urllib3 module installed.
All account and network specific settings, the configuration of your Device instance ID and associated credentials as well as your Message Type IDs need to be done in the file config.py.