: You can register for a free account to access "test drive" versions of their training.
Several high-end providers offer "Lite" or "Demo" versions of their software. These usually include a limited set of faces but use the same scientific methodology as the paid versions. micro expression training tool free
: A 5-day free video series focused on mastering facial expressions and understanding how the face communicates emotions for the camera. : You can register for a free account