If you don't know your screen resolution, click here.

Windows

1. Click on the appropriate screen resolution for the wallpaper you want to download. The full-size image will load in your browser window.

2. When the full-size image has finished loading, right-click on it.

3. Select "Set as Wallpaper" from the pop-up menu that appears.

Mac

1. Click on the appropriate screen resolution for the wallpaper you want to download. The full-size image will load in your browser window.

2. When the full-size image has finished loading, click and hold on the image to bring up a pop-up menu.

3. Choose to save the wallpaper image somewhere on your hard drive.

4. Under the Apple menu, go to Control Panels and select Appearance.

5. Click on the Desktop tab.

6. If you already have a picture set as your desktop image, click "Remove Picture."

7. Click "Place Picture" and use the dialog box to open the wallpaper you downloaded.