Lahey/GNU Fortran - Rainier Edition Trial Download
(Installation does not require an internet connection)

This trial is provided for evaluation purposes. The license expires 30 days from installation.


  • Lahey - Rainier Edition
    GNU compiler, WiSK graphics package, tools, and documentation for targeting the Microsoft 32 & 64-bit platform

  • (This trial assumes you already have Visual Studio 2015 installed.)

System Requirements

The download size is 249 MB.


  • A Pentium series or compatible processor
  • 1 GHz or higher CPU, 1 GB or more RAM, 1024x768 display (Recommended Minimum)

Operating System

LGF Rainier can be installed onto any of the following systems:
  • Windows 10
  • Windows 8.1 (KB2883200, available through Windows Update, is required)
  • Windows 8
  • Windows 7 Service Pack 1

Please provide the following information then click Download to get your copy of the Lahey/GNU Rainier Edition Trial.
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