You will need to get an analog capture card.
This a basic card, you can get them with TV tuners or USB 2.0 at a higher cost, your choice. You install the card, install the software.
You connect the audio and video to the capture card ( or USB ) open Windows MM2 do some setup things and press play on the camera and the video will be on you PC.
The link below has a lot of good info to help you undersand the process. John