Simplified Host Key Instructions
Sign in to https://zoom.us/, using the administrator account and passwords. Then go to Profile.
Then you should be able to see the Host Key and you can take that 6-digit number down.
When you join a meeting with a non-host account or without logging in, you first click the “Participants” button in the dashboard:
Then in the bottom right corner you’ll see “Claim Host” button.
Click that and type in the 6-digit number, the system will verify and make you the host.
Many thanks to Plumline and Noc in Shanghai for providing these instruction to Still Water.
If these instruction didn’t give you all you need, try the Zoom Help Center page on Using your host key.