These wallpapers are animated. They come in an .exe file, unzip it to a folder of your choice and then double click on it and it will show on your desktop. An icon will show in your taskbar which you can right click on and exit anytime you wish. Some have music which you can also turn off from the icon settings.The clocks shown work with your computer time...Click on image to view it larger, previews are not animated but you can see what they will look like on your monitor. Click on Zip to download..