You can access the Klaxoon application directly from the Microsoft Store by installing a PWA (Progressive Web App) on your interactive screen.
If you'd like to know what a PWA is, check out this article: What is a Progressive Web App (PWA)?
1 - From Microsoft Store
Click on the following link: Klaxoon for interactive displays, then on "Download".
Then click on the downloaded program
Double-click on the downloaded file to begin installation. This will take a moment
Once installation is complete, the Klaxoon dedicated application page will appear.
2 - From the PWA application
Go to the URL go.klaxoon.com/display
Then, to the right of the URL, click on the icon below (screen with an arrow)
A new window appears, inviting you to install the application.
Click on "Install"
The application is installed in an instant, and you can enjoy simplified navigation.
If you would like to know the technical prerequisites, please consult this article: What are the technical prerequisites for installing the "Display on a screen" feature?