The Abaqus 2016 installation process is significantly different than in previous versions. This unofficial guide may be helpful if you're having trouble following the official instructions.
After some time you will have the following files:
2016.AM_DOC_SIM_EstPrd.AllOS.tar
2016.AM_SIM_Abaqus_Extend.AllOS.1-5.tar
2016.AM_SIM_Abaqus_Extend.AllOS.2-5.tar
2016.AM_SIM_Abaqus_Extend.AllOS.3-5.tar
2016.AM_SIM_Abaqus_Extend.AllOS.4-5.tar
2016.AM_SIM_Abaqus_Extend.AllOS.5-5.tar
AM_DOC_SIM_EstPrd.AllOS\1\DOC_SIMULIA_Abaqus_fe-safe\1\Abaqus_2016\setup.exe
AM_DOC_SIM_EstPrd.AllOS\1\DOC_SIMULIA_Isight_Tosca\1\setup.exe
AM_SIM_Abaqus_Extend.AllOS\1\3DEXPERIENCE_AbaqusSolver\Windows64\1\setup.exe
AM_SIM_Abaqus_Extend.AllOS\1\SIMULIA_Abaqus_CAE\Windows64\1\setup.exe
Optional
AM_SIM_Abaqus_Extend.AllOS\2\SIMULIA_Tosca\Windows64\1\setup.exe
Optional
AM_SIM_Abaqus_Extend.AllOS\2\SIMULIA_Isight\Windows64\1\setup.exe
Optional
AM_SIM_Abaqus_Extend.AllOS\3\SIMULIA_fe-safe\1\windows\setup.exe