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FreeSurfer License

A license key, taking the form of a license.txt key file, must be obtained to make the FreeSurfer tools operational. Obtaining a license is free. Follow this link to obtain a license key that enables your copy of Freesurfer.

Follow this link to read the licensing agreement.

Once you obtain the license.txt key file, copy it to your FreeSurfer installation directory (defined by the $FREESURFER_HOME environment variable, which is described later in the setup and configuration section).

Note: Registering for the license key does not enable one to post messages to the Freesurfer mailing list. To post to the list, you must subscribe to the list by following this link.

Download instructions are next.