How to turn on the camera on your Windows 10 computer, or troubleshoot if it won't turn on

You can turn on the camera on your Windows computer immediately using the built-in Camera app, or another app that uses it.

How to turn on your Mac computer's built-in camera, or troubleshoot it if it's not working

Turning on the camera on a Mac is vital for your video call. Here's how to do it on any Mac computer.
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How to use Continuity Camera to turn your iPhone into a great webcam — and what to buy to make it happen

If you own a recent iPhone and a MacBook or Apple desktop computer and you want to add a great webcam, I have news for you: You may already own one. Apple’s Continuity Camera feature lets your Mac ...