Yes. Restart your computer before going into the event. Read more to understand why.
Even though Hopin is cloud-based, if you're on a PC use Windows 10. Mac users should be okay. Read more for full operating system troubleshooting.
No. You do need a Hopin account to claim your ticket, but without a ticket you won't be able to access the event.
It helps, especially if you're appearing onscreen as a guest speaker. Read the full tech specs below.
Make sure your volume is up, only have one tab with Hopin audio open, try using headphones, and if you change audio/camera settings or headphone connectivity you need to refresh your browser.