To install the plugin, first of all, you need to go to Plugins > Add New. In the search field enter eRoom - Zoom Meetings & Webinars and click on Install. Once the installation is finished, Activate the plugin.
After the plugin activation, there will be appeared the eRoom menu on your dashboard panel. Open the page with the Settings: eRoom > Zoom Settings.
On this page, you need to enter the Zoom API Key and API Secret Key.