FLW6420DBL
Fortran Library, Mark 20 for Windows 64-bit
Static Library (64 bit)
using the Intel Fortran compiler

The software is provided as a single zip file.
Download the zip file from here (size: ca. 202 MB ; 211311265 bytes),
unzip it to a temporary directory/folder (e.g. c:\fltemp)
and then execute setup.exe (e.g. c:\fltemp\setup.exe).
For further installation instructions, please refer to the installer's notes and users' notes.
After completing the installation,
you can optionally delete the temporary directory and its contents.

To install the software, you agree to be bound by the terms of the NAG Software Trial License Agreement and need to obtain a temporary license key by filling out the trial request form.