Zoom is the district supported web conferencing software. It is cross platform and can work on just about any device.
If possible install the Zoom applications or mobile app. You can download the Zoom app from their Download Center. Otherwise, you will be prompted to download and install Zoom when you click a join link.
Click the zoom link provided by your teacher
If you only have a meeting code then:
navigate to https://zoom.us
Click the “Join Meeting”
Your browser with prompt you to open the Zoom application