To set up a virtual background video for Zoom on a desktop, follow these steps:

1. Make sure you have the latest version of Zoom installed.
2. Save a copy of your background video on your device.
3. Open Preferences > Virtual Background.
4. Click the + icon under the bottom-right corner of your webcam preview.
5. Click Add video and upload your video file.
6. Click on the video background you want to use. ^{vyond.com 1}

Alternatively, you can use Video Filters within Zoom to add sticker backgrounds or other effects. ^{zoom.com 2}