On Mon, 26 Jul 2021 at 02:23, Chang M. Kang via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > Sir, > > I try to build MCNP6.2 Monte Carlo Transport Code. The installation > document says version 7.1 and higher of gfortran do not compiles MCNP6.2. > Please tell me where I can download the gfortran version, 4.8.5 - 6.4.0. See https://gcc.gnu.org/mirrors.html and https://gcc.gnu.org/wiki/InstallingGCC and https://gcc.gnu.org/install/binaries.html