System requirement

Operating system
Windows 7 - Windows 10
Mac OS X 10.9 (Mavericks) - macOS Catalina (10.15)
Linux
Google Chrome OS
Android OS 5 (Lollipop) - Android 9 (Pie)
iOS 10 - iOS 12
Windows Phone 8+, Windows 8RT+

Web browser
Google Chrome (most recent 2 versions)
Mozilla Firefox (most recent 2 versions)

Internet connection
Computer: 1 Mbps or better (broadband recommended)
Mobile device: 3G or better (WiFi recommended for VoIP audio)

Software
GoToWebinar desktop app
GoToWebinar mobile app
JavaScript enabled

Hardware
2GB of RAM (minimum), 4GB or more of RAM (recommended)
Microphone and speakers (USB headset recommended)

Mobile device
iPhone 4S or later
iPad 2 or later

You can test whether your system meets the necessary requirements here: https://joincheck.gotowebinar.com/?source=panelistInvitationEmailanguage=germanole=attendee