System requirements

ONA Toolbox is developed for WINDOWS OS. The minimum system requirements to ensure its optimal functioniing are:

  • Available Memory: 700 Mb for installation, 2Gb for simulations

  • Processor: 1 GHz

  • Minimum RAM: 8 Gb


To properly install the ONA Toolbox and the required third-parties software, please follow the next steps:

Installing SWAN Model v41.31AB on Windows 10/11

SWAN (Simulating WAves Nearshore) is a third-generation wave model, developed at Delft University of Technology, that computes random, short-crested wind-generated waves in coastal regions and inland waters under the GNU General Public License version 2.0 (GPLv2).

The precompiled SWAN model v41.31AB for Windows systems can be temporary downloaded at this link. On executing the setup file, an step-by-step installation wizard will guide you through its installation.

Important steps during SWAN installation

1. A security warning message may appear on running the executable file of SWAN installation setup. Execute anyway the application.

2. At the 'Select Additional Tasks' step during SWAN installation, tick the 'Add application directory to your system path'.

1. Security Warning Message

2. Add application to your system path

Installing ONA Toolbox on Windows 10/11

The ONA Toolbox is available at

Please, follow next steps for its installation:

1. Save the setup

Download the setup file and double click on the file to start the installation process.

2. Windows warning messages

If Windows warning message prompts, please select 'More information' and then click on 'Execute anyway'.

3. Security message

Agree on the security message

4. Follow the installation wizard

Follow the steps on the wizard to install the program

5. Start the program

Tick the "Execute ONA toolbox" to start the program.

6. Register your copy

The first time you run ONA Toolbox you will be asked to intriduce your name, institution, and an email.

Ready to WORK!

Now the program should be ready and installed in your computer. You can find it at your Desktop as well as in your Windows applications.