Exporting is a way of quickly and easily sharing a preconfigured Maltego so that you do not need to go through the tedious process of having to set up each individual client.
First setup your Maltego with the various entities, seeds, transform sets, machines and so forth as you would like. Once you have completed this you can export your config by selecting the globe icon (Application Icon) and then selecting export configuration as seen below:
You can select either a custom export or to export everything (as seen above). From here you can simply click next, next, finished as described by the following pictures: