To change your WLAN password, go to the internet access icon in the lower-right corner of your screen and select Network Settings, or search for WLAN Settings using the Windows icon: or
There, you will find the option "Manage known networks" in the center, which displays all THI WLAN networks.
Select the appropriate network, for example Eduroam, and click "Do not save".
After that, you need to reconfigure the WLAN using the getEduroam app.