Export templates are versions of Godot that are compiled for each target platform, but don't include the editor. Your project will be combined with the target platform's template to create a standalone application.

To begin, you must download the export templates. Click on Manage Export Templates from the Editor menu:

In this window, you can click Download to fetch the export templates:

Templates can also be downloaded from the Godot website at http://godotengine.org/download. If you choose to do this, use the ...