Download Area

If you are an existing user, a new user, or simply interested in trying it out, just download your CAESES® version from the given links below. New users need to register with their name and email address during the installation process. See the Installation and Product Registration guide for further details.

Download CAESES 5.2

CAESES 5.2 — 64bit Windows
Tested on Win 10, Win 11

CAESES 5.2 — 64bit Linux
Tested on Debian 10, CentOS 7.9 (comparable to RHEL7), Ubuntu 16.10

If you would like to use CAESES 5 with a local float server, please download the newest local float server edition below.

For more detailed information on new features, changes and bugfixes, take a look at the changes log.

Download Local Float Server


Local Float Server 5.0.7 — 64bit Windows

Download Local Float Server 5.0.7 — 64bit Linux

An installation guide for the local float server setup can be found in the installation folder or downloaded here.

Download CAESES 4.4


CAESES 4.4 — 32bit Windows

Tested on Vista, Win7, Win8, Win10


CAESES 4.4 — 64bit Windows

Tested on Vista, Win7, Win8, Win10


CAESES 4.4 — 64bit Linux
Good results expected with Debian 7-9, Ubuntu 10.04, 12.04, or newer, Suse Enterprise 10.3+ (like SLES12), RedHat 5.4+ (like RHEL5, RHEL 6/7, SL 6/7, CentOS6/7). Please install a proprietary 3D GPU driver on your Linux distribution (OpenGL GLX extension required). In case you cannot see icons in your menu, please check this forum post for help. And, a running DBUS message bus is required, too.
Extract it (tar xf CAESES_4.4.X_Linux.x86_64.tar.bz2), change the working directory to the CAESES® folder and start with: ./CAESES If you extracted the archive as root, you have to change the group permission, to the group your users are in (chgrp -R YOURGROUPNAME CAESES_4.4.X_Linux.x86_64).

Changes Log

See our changes log for more detailed version information on new features, changes and bugfixes.


CAESES® is available for both Windows and Linux operating systems. See the FAQ section of the CAESES® forum if you have questions or problems with installing the software, as well as the public FAQ section of our helpdesk. Check also the main support page for more information and help. CAESES® contains a comprehensive help system which includes tutorials and example projects. Finally, there is the document  “CAESES_Product_Registration.pdf” in the installation folder for registration and licensing issues. If you need an older version for some reasons, please simply write us a message which includes the version and OS information.


We provide different license types depending on the individual situation of the customer (commercial/academic). We also offer free student licenses.

For commercial users, we offer 2-weeks trial licenses, to let you get a direct impression of CAESES®. If you need more time, just let us know! Simply download and install CAESES®. During the registration process, choose “Trial License” and follow the instructions.

Detailed information on the Standard Software License Agreement is available here.

Data Privacy

FRIENDSHIP SYSTEMS AG takes the protection of your personal data very seriously and adheres strictly to the rules of data protection laws (GDPR). Personal data are collected within CAESES only to the extent technically necessary and for a specific approach. Detailed information on the data collected when using CAESES can be found here: Data Privacy and Data Collected.

Subscribe to Newsletter

Interested in our newsletter? Then follow us! As a subscriber you’ll receive notifications about new product updates and CAESES-related blog posts (see examples here). You can always unsubscribe.

Subscribe to get CAESES product updates in your inbox. By clicking "SIGN UP" you agree to FRIENDSHIP SYSTEMS's privacy policy.