There are mainly 7 steps to connect your video camera to your computer for live streaming:
Step 1: Make sure you have the USB cable in your camera.
Step 2: Purchase USB video capture device.
Step 3: Install the device.
Step 4: Connect your video camera to the USB video capture device.
Step 5: Install the software needed to stream video in your computer.
Step 6: Configure the software setting to recognize your USB capture device as the main source for video signal.
Step7: Stream your video live.