You can try the camera app built into Windows 8.x:
There are a few different ways to open the Camera app. If you're on Start, you can use the tile. If you're using other apps or are in the desktop, you can search for the app and open it from the search results. You can also open the Camera app right from the lock screen when you want to take a quick picture without signing in first.
If you're on Start
Tap or click the Camera tile.
If you're using another app or the desktop
Swipe in from the right edge of the screen, and then tap Search.
(If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and then click Search.)
Enter Camera in the search box, and then tap or click Camera in the results.
If your PC is locked
If you've signed into your PC and then locked it, you can open the Camera app by swiping down on the lock screen or clicking and dragging down.
If the camera doesn't open, you'll need to turn on using the camera from the lock screen. Go to PC settings, tap or click PC and devices, and then set Swipe down on the lock screen to use the camera to On.
http://windows.microsoft.com/en-us/windows-8/camera-app-faq---
If you still aren't getting a video feed, perhaps the camera isn't working or isn't connected.
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