The CirNavSys:


ca. 95 MB

the Circuit Navigation System for Windows and Unix

The free version of the Circuit Navigation System, available to download, unzip, install and run.

How to do that:  We have an instruction how to install and to set up the CirNavSys as video on youtube  or as image series on our website.

Also, please write a feedback message, via this feedback form


In order to get the full version of the CirNavSys, please download the free version here, and then upgrade it to the full version in our shop.

Additional links:


2: Java

the runtime environment to run this program

The CirNavSys is a java program. You need a Java Runtime Environment (JRE) or a Java Development Kit (JDK) to use it.

You can download JREs or JDKs from one of the following links:

A: The Oracle JDK, from the software company Oracle Inc. at

B: The Open JDK, an open source alternative JDK at , or

C: A JRE from


3: KiCad version 5

the circuit editor to create your own circuits

The CirNavSys is a program for the simulation of electric circuits. You probably want to create your own circuit files. Therefor you need a circuit editor.

The CirNavSys is compatible to circuit files from the schematic editors KiCad, and QUCS and EAGLE, but the degree of compatibility is the highest with KiCad.

How to use KiCad together with CirNavSys: We have an instruction video on youtube,  showing exactly this.

Please notice that the CirNavSys is compatible to KiCad version 5, but not yet to version 6. We are working on making it compatible to version 6, but until then you can get the matching KiCad 5.1.12 on KiCad's download page.

Help and support

Are you having any difficulties setting up the program? Or with using the program?
Are you not sure what exactly the program is suitable for?

Then please contact our customer service representative.

We will be happy to show you how to set up the program and what this program can be used for. That's free of charge of course.


We will be pleased to arrange a videoconference for this purpose, because in this format the program setup and the introduction to its use are quick and easy to understand.

You can contact us via phone or via eMail:

Phone: 0049 151 25118245


Image of a headset and a keyboard.