Hi,
The link from @electrafa is for the Organelle1. (thanks for your help though!)
With the Organelle M it is a little easier to change the language of the computer keyboard. You can try the steps here:
The menu has changed since those instructions were posted so now in a terminal type:
sudo raspi-config
Then with your keyboard arrows select:
4 Localisation Options
and then select:
I3 Change Keyboard Layout