Video is stored on the SD card in your camera.
The SD card is located behind a door on the side of the camera.
You need to install special viewing software on your Windows computer
Here is link to download the software:
Make sure to watch this video with instructions on using the software before trying to use the software:
https://www.loom.com/share/321ef8ef09d449ba9b52ca863b87a4d3