While in a meeting, hover over the bottom of your Zoom screen to reveal the bottom menu

Click on Mute (microphone icon) on the left

To set your microphone to mute by default

zoom.com

This guide provides step-by-step instructions on how to mute yourself on Zoom during a meeting, as well as how to set your microphone to mute by default. It also includes an additional tip on how to temporarily unmute yourself by pressing and holding the space bar. Following these steps will ensure a seamless and professional meeting experience for both you and other participants.