Can't Install Simulation Plug-in

Well i changed my computer and installed Solidworks Professional 2013 and 2015 to my computer one by one, but non of them had many chocies on Plug in like plastics or Simulation , altough they have  Electic or Flow works. Yes i choose that tools  " check" them at instalation panel and there were no error appeard . and then i delete products and clear every folider , Register keys etc. and installed again but its not appearing no matter what. Please help me.

I am using lastes version of Windows 8.1

SolidworksSimulation