7 STEPS
1. To select the microphone you want to use in zoom, click on Audio sub menu
2. Under "Select a Microphone," click the microphone you want to use
3. To select the speaker you want to use in zoom, click on Audio sub menu
4. Under "Select a Speaker," click the speaker you want to use
5. To select the camera you want to use in zoom, click on Video sub menu
6. Under "Select a Camera," click the camera you want to use
7. That's it. You're done.