Most conveniently, the diffusion tensor images are loaded using the 
button in the taskbar to the right. As an alternative, the Tensor radio button can be set on the IMAGE page and the images loaded with the button indicated below.
As a result of this loading, the workflow type is defined as "DTI tractography" and the internal program switches are configured accordingly. Particularly, the action button in the lower right is set to red color and indicates that the next step continues on the VOIs sub-page.
Please activate 
to proceed.