Here you can download the Quokka3 client software, including a GUI and a command-line executable, as well as a free restricted core executable to run simulations standalone. It is currently available for Windows only.
To access the full version, a license and a user account to use the Quokka3 cloud-service via this client software is required, see License options.
Disclaimer: The Quokka3 client software including the restricted core executable is distributed for free. Unless a seperate license terms are in effect, the software is licensed for non-commercial use only, without any expressed or implied warranty for the usefulness or correctness of the results rendered by this software. Download and use at your own risk. Installation instructions
The changes introduced in the latest version can be found in the Changelog