Restart your web browser and only use one open tab. This will fix many issues.
Make sure your browser is up-to-date with the latest release.
We STRONGLY recommend using Google Chrome as your browser or browser app. You can download it here: Download Google Chrome
Check that your download speed is greater than the recommendations (1.5 Mbps - SD, 4 Mbps - HQ, 8 Mbps - HD).
Test your internet download speed here: Internet Download Speed Test
These tests work by checking your "instant" download speed. However, your download speed WILL fluctuate over time.
If you are on wifi, switch to hard wire connection, or get very close to the wifi router.
Disconnect all other devices from the network (especially gaming systems and phones).
If none of the previous suggestions work, restart all of your network devices (modem, router, switch).
This happens when your internet is having issues and the audio gets "out-of-sync".
Refreshing your browser sometimes fixes it, but often the browser needs to be restarted COMPLETELY!
This problem is a known bug with ALL Apple devices when live streaming.
No. You can only be logged in on one device at a time. Other logins will be logged out automatically.
Dive into the Nerd Out section on the help page.