Installing desktop wallpaper:

PC
1. Choose the wallpaper you'd like to have on your computer desktop
2. Click on the correct resolution for your screen - an image will download in a new window.
3. Right-click on the image and select "Set as wallpaper"

MAC
1. Choose the wallpaper you'd like to have your computer desktop
2. Click on the correct resolution for your screen - an image will download in a new window.
3. Click and hold the mouse button down on the image and select "Save this image as" from pop-up menu. Save the image to your desktop.
4. Open "Desktop Pictures" or "Appearance" in the Control Panel menu and drag the image from your desktop to the control panel.
5. Click "Set desktop" and close the control panel.