To exit the zoom.us app on a Windows PC, please do either of the following:
1. Click on your photo profile and select Exit
2. Click the x icon on the login dialog box. When you log out from the app, it will pop up the dialog box.
3. Right-click on the zoom.us application in the task bar and select Exit.
4. Right-click on the zoom.us application in the system tray (bottom right) and select Exit.