Select the Use web app option under Join Meeting.
For meeting hosts, click the Use web app under Start a Meeting.
To launch the Webex web app while in Classic View, select the Webex Meetings tab and then click Start by browser.
For more information on joining a meeting from a web browser, see Join a Cisco Webex Meeting.
Based on HTML5 and WebRTC technology, the web app puts the core meeting functionality directly at your fingertips. If at any time you find yourself needing more advanced functionality, you can switch seamlessly to the desktop app.