Screencastify
You can use Screencastify available at https://www.screencastify.com/ to record your live class conferences.
Install Screencastify browser extension to your chrome browser. https://www.screencastify.com/.
When you get into the meeting, click the Screencastify icon at the top right corner of your browser. https://help.screencastify.com/article/140-record-a-browser-tab
Important! Click the “show more options link” and enable tab audio before you start recording!!
After the meeting is over, go back up to the extension icon in the top right corner of your Chrome browser and click stop. You can save the recording to your computer or to your google drive.
Read more on how to get started on Screencastify.
Capto
Another option is using Capto. Read more about Capto and download it here: https://setapp.com/apps/capto