After signing in from the Web, a list of created rooms will be displayed, so click the ” Edit” button for the room you want to change .The setting screen of the room is displayed, so change the settings and click the ” Save Changes” button in the lower right .

※ If you do not change, the lower right change button is not displayed

https://support.zoom.us/hc/en-us/articles/360037646851-Changing-the-settings-of-a-Zoom-Room

Related article
How to install Zoom Rooms (including Apple ID setting)
Operations during a meeting at Zoom Rooms
How to switch Zoom Rooms linked to your PC
[Administrator] Add Zoom Rooms to the web portal
Do I need the number of Zoom Rooms email addresses to set when registering for Zoom Rooms?