XFDTD 7.4 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is Remcom. The program lies within Photo & Graphics Tools, more precisely 3D Design.
Icon5C3D1B92.exe, xf.exe, XFDTD.exe, xfdtd51.exe and xfdtd53.exe are the most common filenames for this program's installer. This PC program can be installed on Windows XP/XP Professional/7/8/10/11 environment, 32 and 64-bit versions.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The following versions: 7.4, 7.3 and 7.2 are the most frequently downloaded ones by the program users.
From the developer:
XFDTD is a powerful 3D Electromagnetic Simulation program. The XACT Accurate Cell Technology resolves the most intricate designs with fewer computational resources. It also provides guided modeling processes, editable modeling history and ability to edit imported CAD files.
You may want to check out more software, such as Smart Map, stCAD or eDrawings for SketchUp, which might be similar to XFDTD.