Download Free Fault Tree Analysis Software

Download TopEvent FTA ( TopEvent FTA Express and/or TopEvent FTA Professional ).

Complete your download in 3 easy steps

1. Complete the form.
2. Check your email for your download link.
3. Download your Fault Tree Analysis Software.

If you do not receive an email or if the registration form below does not work as expected, send us an email at support@reliotech.com to request a trial license.

System Requirements

TopEvent FTA requires .NET Framework 4.8 and is officially supported on the following Windows operating systems. Recommended system requirements are:

• Windows 10, version 22H2 (64-bit), or Windows 11 (64-bit)
• 4 GB of RAM
• 200 MB of available disk space

Earlier versions of Windows may still run TopEvent FTA, but they are not officially supported.