CharacterFX is Freeware - it can be used free of charge without any restrictions for any 
legal purpose. In the past, CharacterFX used to be Shareware, which means in order to 
continue to use it after a trial period one had to purchase a license. If CharacterFX 
asks you to register, you can use the following registration key to continue using it 
free of charge: 

Username: CFX4FREE
Registration Key: 5b2fe4