1. open the battery cover 2. and under it you will find a smal slot for a cable plug in. 3 Plug the appropriate plug into the hole 4. and the other end should be a USB plug that plugs into your computer. 5. Now open the computer to where you can see the hard drives attached to it. 6. Click on the hard drive that is connected to the camera 7. and download.
I think the battery life is great! I used one pair of AA batteries to take 600+ pictures on a week long trip last month.
I bought the camera over a year ago and have taken many thousands of pictures with it. I have no complaints about batteries. I can even turn it on and take pictures after it has been sitting for a month or two. I've dropped it several times. Even though it has a few dings, it still performs fine underwater.