You can log in to the Zoom-service in two ways: via web browser at https://jyufi.zoom.us or with Zoom application. This guide page tells you how to log in to the Zoom application.
If you are using a Windows computer managed by the University, please install the Zoom application using the "Software Center" on your desktop. For macOS users at the University, a similar function is called "Managed Software Centre". If you are using your own computer, you can install Zoom from https://jyufi.zoom.us/download
When you start Zoom application, first you need to click Sign in. Choose "Sign in with SSO":
When asked for company domain, type: jyufi
You will be redirected to the University of Jyväskylä login page. Enter your username and password. Next you are asked to confirm launching the Zoom application. The appearance of this notification varies depending on your default web browser, here's example from Microsoft Edge browser:
Accept opening Zoom application by clicking "Yes" or "Launch Zoom".
Now you are logged in!
NOTE! The layout of the login may vary between mobile devices and operating systems, but the procedure is the same: select "Sign in with SSO", enter "jyufi" as the domain and log in with your university ID.