1. Go to the client's Google Admin instance
2. Go to Devices > Chrome > Settings
3. You'll see "Apps & Browser settings", "Device Settings" & "Managed guest service settings", browse through these & you can update the necessary setting here, and click save at the top.
BE AWARE! If you have the whole "La Scuola" organization selected, the change goes into effect for the whole org. Be careful making these changes & double check the request you've received to make these changes & where they should apply. If you're not sure, consult the rest of the team & possibly even reach out to the requester (usually an on-site liaison).