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 You could try downloading and installing one of the freesurfer package installers, i.e.. on Linux the .rpm to .deb file that matches your OS, or on MacOS either the *x86_64*.pkg (Intel Macs) or *arm64*.pkg (Macs with M1, M2, … processors) that matches you machine ...from...https://secure-web.cisco.com/1B-Y6R_reuVQwDKeMGSdl7-e2TzqvCfjXmPbUtNUE3LgEgr... python provided in the distribution already has packages installed and will automatically run when you type a command that runs a python script, e.g., mri_synthseg, from the command line.  Prior to that you need to setup the freesurfer shell environment as listed here,https://secure-web.cisco.com/14OSIP22yq-rfoLg4l3V2OcIYvWi4b3IkHZ6noxLGvg_wdH... - R. On Oct 11, 2024, at 13:53, Patel, Ronit <Ronit.Patel@pennmedicine.upenn.edu> wrote:        External Email - Use Caution        Hi Freesurfer Support, I hope all is well. I am hoping to download TensorFlow to utilize SynthSeg on my MRI scans, but there appears to be a strange problem when I try to download it. While I do have the correct version of python and numpy, it continues to say the correct version is unavailable and prevents TensorFlow from downloading. 

At the same time, when I try to run synthseg and input the mri_synthseg function, the error I always get is 'Illegal Instruction: 4'. I am unsure what this means, as the input and output is clearly specified when I try this method. I had assumed it was simply because TensorFlow was not installed, but I was told it may be something else by my colleagues.  I greatly appreciate any help that can be provided! Sincerely,Ronit Ronit PatelClinical Research AssistantUniversity of Pennsylvania Department of Neurology | TBI Research Initiative <Screenshot 2024-10-11 at 1.45.56 PM.png>_______________________________________________Freesurfer mailing listFreesurfer@nmr.mgh.harvard.eduhttps://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer