Download the following Skyscraper Wallpaper 4021 by clicking the button positioned underneath the "Download Wallpaper" section. Once your download is complete, you can simply set the Skyscraper Wallpaper 4021 as your background.
Following the click of the download button, right click on the Skyscraper Wallpaper 4021 image and select 'save as' to complete your download.