Download Tower Numerics tnxTower 8.0.7.4, RISATower 8, Tower Numerics tnxFoundation 1.0.7.8 tnxTower is the new name of RISATower software, is a software for calculating, analyzing and designing steel tower structures of RISA firm and has been acquired by Tower Numerics Inc. and changed to a new name called tnxTower