Transfer built-in webcam in laptop to PC: is that possible?
No, you can't
The VLC MediaPlayer offers an option of a recording device, such as your webcam e.g. To be provided in the network via HTTP protocol.
In short, VLC pulls the webcam image and you can access it via stream.
You can then access it on your PC using a browser.
Here is a tutorial (extensive, in English):
https://www.guidingtech.com/9554/vlc-stream-media-live-camera-feed-how-to/
(Edit: The 2nd link no longer works, therefore removed)