IntrAnat is for research purpose only. It is provided "as is," Inserm and its collaborators do not assume any liability or responsibility for its use.
you can find more information about IntrAnat here: https://f-tract.eu/software/intranat
or on the wiki page https://github.com/IntrAnatSEEGSoftware/IntrAnat/wiki
explanation to install IntrAnat are here https://github.com/IntrAnatSEEGSoftware/IntrAnat/wiki#how-to-install