While is a legacy version of the software, you can still find official trial downloads and updates through the developer, IMSI Design . Be cautious of third-party sites offering "free full versions," as these are often unauthorized and may contain malware. Official Download & Trial Options
If you already own version 11, official v11 maintenance updates are available on the IMSI Design Support page .
You can download a 15-day free trial of the latest version (v16) to test its 2D/3D capabilities before purchasing.
Features "self-healing" walls and parametric doors/windows that automatically create openings.