While a full-featured "free" version does not exist for professional use, you can access and shareware editions that allow for evaluation before purchase. Official Download Sources for IX1D
As for downloading ix1d software for free, I couldn't find any reliable sources that offer a free and legitimate download. The software is developed by a company called Intusoft, and it's likely that they want to protect their intellectual property. ix1d software free download
However, I can suggest some alternatives: While a full-featured "free" version does not exist
The IX1D software is a popular tool for geophysicists and geologists, used for interpreting and modeling magnetic and electromagnetic data. Here's a review of the software and information on where to find a free download. ix1d software free download