Official web site: https://brainvisa.info
Have you tried AnaSimpleViewer ? This simplified version of Anatomist allows far less possibilities, but is simpler to manipulate, and offers a more “conventional” look.
To start in good conditions, the reader may:
More complete docs¶
Quick help elements¶
Which data formats are currently supported ?
SurfPaint: drawing on a surface (tutorial)
Museum of ancient versions of Anatomist