We don't have a download link yet, but you can find it using Google.
Review
Proficy HMI/SCADA iFIX SIM iFIX40_1123445832 - English is developed by GE Fanuc Automation and is used by 3 users of Software Informer. The most popular version of this product among our users is 4.0. The product will soon be reviewed by our informers.