Click the link below.
Click add to chrome as shown below:
A popup will display confirming to add the extension. Click the add app button show below:
The screen below will pop up. You can join a meeting by putting in the meeting code below and putting a user name. See the image below.
Clicking sign in will allow you to host a meeting. Click the button to sign in with google. See the image below.
The next two screens will ask you for your username or password or automatically sign you in. You'll need to use your full email address "email@example.com" to sign in. The password is your google password and not you network login.
After signing in for the first time you'll see the create account button below your name. I forgot to take a screenshot :(
You should now see the screen below. You can start or join meeting after you have signed up or logged in. You can only join meeting if you have not signed up or logged in. In the screen below see the "Start a meeting" tab.
After that you should be able to start or join a zoom meeting.