Other iOS methods that may also be useful (as a general FYI): If you're just looking to share your iOS device to Zoom or other meeting apps, you can long-press

Other iOS methods that may also be useful (as a general FYI): If you're just looking to share your iOS device to Zoom or other meeting apps, you can long-press the Control Center "Screen Recording" icon to select which app to direct your screen sharing to. If you'd like your iOS/tvOS device to be shown in a window on your desktop using only native iOS/tvOS/macOS tools, you can plug it into a macOS computer and use Quicktime Player > File > New Movie Recording and then select the iOS/tvOS device from the dropdown to the right of the Record button — no need to start recording — and it'll give you a live low-latency view of the iOS device.