For the basics of using zoom read this.

Here is how to join a Zoom meeting.

Before you attend Satsang set up and test you sound 

In Satsang, please turn on your video

In your profile please add your first name. You do not need to include your surname.

Your microphone will be muted unless Satyananda invites you to speak

If you want to ask him a question use the “raised hand” facility. Click “participants” at the page bottom and look for the blue “raise hand” icon in the window that opens.