TF GEANT4.9.6
Simulations_of_Particle_Interactions_with_Matter#Building_GEANT4.9.6
wget http://geant4.cern.ch/support/source/geant4.9.6.p02.tar.gz .
mkdir geant4.9.6
cd geant4.9.6/
tar -zxvf ../geant4.9.6.p02.tar.gz
Simulations_of_Particle_Interactions_with_Matter#Building_GEANT4.9.6