
If you are hanging at the Starting Webex screen using the Edge browser, you can click on the Run a temporary application link:

If you are hanging at the Start/Join Meetings screen using the Chrome or Firefox browser, you can click on the Join from your browser link: To always join using the Web App, click on the Join Meeting / Start a Meeting drop-down menu and select: Use web app: Try using the Cisco Webex Web App or Temporary File Solution (TFS) method to join or start your meeting: With these two options admin rights are not required.

Make sure you are using a supported Operating System and Browser, see: Webex Meetings Suite System Requirements Troubleshooting Meetings Troubleshooting Webex Meetings and Events (New)
