Select your favorite desktop and click the standard or wide screen link for download. Once the high resolution background has loaded, right click on it and the select "Set as background" or "Set as desktop background" option.
Likes to have a new background for your Windows XP and Vista? The Microsoft New Zeeland (a subsidiary of Microsoft) has made available some new beautiful high resolution wallpapers for downloading. These wallpapers are selected from a competition and are available in different screen resolutions for your normal or wide screen monitor. You can download it for free.