1. Tap on the "App Store" app
2. Tap the "search" button on the bottom right
3. Type in "Zoom" and then click the "search" button
4. Locate the app "ZOOM Cloud Meetings - Meet Happy", and tap on the "Get" button
5. The app will now install. This may take a few minutes. Once it has installed, you will be able to find the "Zoom" app on your home screen. 
6. You should now be able to join a meeting by tapping on a meeting link that has been sent to you.
7. Alternatively, you can join a meeting by tapping on the app and tapping "Join a meeting"
8. Enter your meeting ID on the top box, and display name in the second box then tap on "Join"