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  • About GoToWebinar
  • Webinar Types
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What is a Webcast webinar?

Webcast webinars are live broadcast-style sessions with up to 3,000 attendees (Enterprise plans) and 1,000 attendees (Pro plans) in listen-only mode (meaning the attendees don't have the option to unmute themselves, they can only listen to the session). This allows organizers to reach bigger audiences with even greater engagement.

The features that are available on your account may vary depending on your subscription plan.

These are the system requirements needed for hosting and attending a webcast session:
Organizer (Hosting) requirements
Device Requirements
Operating system

Windows 7 – Windows 10 Mac OS X 10.9 (Mavericks) - 10.13 (High Sierra)

Software GoTo Webinar desktop app
Attendee requirements
Device Requirements
Operating system

Windows 7 – Windows 10

Mac OS X 10.9 (Mavericks) - 10.13 (High Sierra)

Linux / Ubuntu (Chrome or Firefox only)

Google Chrome OS (Chromebook) (Chrome only)

Web browser

Google Chrome (most recent 2 versions)

Mozilla Firefox (most recent 2 versions)

Apple Safari (most recent 2 versions)

Microsoft Edge (most recent 2 versions)

You can also use our Organizer System Check for Webcast Webinars and Attendee System Check for Webcast Webinars to make sure you are running a supported system.

  • To schedule a webcast session, select Webcast as the event type while scheduling a webinar. By default, your system audio settings will be used for staff members. Attendees can only use computer (VoIP) audio and will be in listen-only mode.
  • To start a webcast session, see Start a webinar. Select your preference of hosting platforms in the Settings tab of your dashboard.
  • To support your attendees in preparing for, joining, and participating in your session, send them our Attendee Guide for Webcast Webinars. If you are hosting on our classic platform, attendees will join through a supported browser by default. However, they can also download and use our GoTo mobile app to view the session. If you are hosting on our GoTo platform, attendees can join through a supported browser, download and use the GoTo desktop app, or download and use our GoTo mobile app to view the session.

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