You have to hook up your camera small usb to your computer's usb port, with the memory chip out of your camera. Then, the pictures in your memory will show up. You have to transfer them to the computer, and then you can stick the memory chip back in, and transfer them from the computer to the chip. As far as the sharpness of the pictures is concerned, it's basically selected when you take the picture in whichever resolution. When you transfer the pics to the computer, you can use 3rd party programs to sharpen them, to a degree, but the camera's resolution determines the sharpness. If you want sharper pictures, increase to the maximum resolution, in this camera, 1.3 megapixels. That's as good as you're going to get. For sharper pictures, upgrade to a 10 or 12 megapixel camera- you will see a huge difference! You can get them very reasonable, also, on Ebay, or local store clearouts and sales.