AIR 5.x is available as C source code, free of charge, on a collaborative basis for research purposes only.

Ongoing support of AIR is provided through the LONI Resource, which is funded by the National Center for Research Resources (NCRR RR13642). To request a password to download AIR, please go to the LONI Resource AIR download page at http://www.loni.ucla.edu/Software/Software_Detail.jsp?software_id=8. If you already have a LONI account, provide your email and password. Otherwise, click the link to create new account and then return to the page to enter the new account information. You will then be able to download a file containing the AIR password and the URL for downloading AIR.

If the link to the LONI Resource AIR download page fails, you can try the more general address at http://www.loni.ucla.edu/Software/ and follow links for AIR. If this is not successful, please send email to help@loni.ucla.edu indicating that you are unable to find the link to download AIR.