N.B: The language of the professional does not influence that of the client. The software and the training programs will be in the language that the customer has chosen in the application.
Go in the settings (under you name at the top right of the page);
Click on the pencil / paper to the right of the language to change it.
For the application (Clients), go to the menu (Three lines at the top left of the screen);
Click on the settings tab;
Click on the language (English or Français) to select the one you want).
To learn more about the translation of training programs, click here.