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Conrad McGarry updated July 17, 2014 at 6:19 PM


This wiki explains how to download and install 64-bit and 32-bit gfortran.

We recommend that you code using the latest 64-bit gfortran. 32-bit gfortran is only intermittently updated and may be discontinued in the future. However, 32-bit gfortran remains available at IGPP to run legacy code. 


  1. Download the latest 32-bit installation package at
  2. If not available on the website, 32-bit gfortran v4.6.1 32-bit gfortran v4.6.1 can be downloaded here: gfortran-4.6.1-i686-SnowLeopard.dmg
  3. Open and run the installer located in the Downloads folder.

If you need further assistance, please contact IGPP Net Ops.