1) License activation
   ==================
   https://www.nextnano.com/docu/nextnano_software/getting_started/license_activation/index.html

2) nextnano++
   ==========
   cd nextnano++\scripts
   .\nextnano++_free.bat
   (or)
   .\nextnano++_Microsoft_32bit_free.bat
   https://www.nextnano.com/docu/nextnanoplus/latest/command_line/index.html

3) nextnano3
   =========
   cd nextnano3\scripts
   .\nextnano3_free.bat
   https://www.nextnano.com/docu/nextnano3/command_line/index.html
