Download the following Colorful Tetris Wallpaper 35 by clicking the button positioned underneath the "Download Wallpaper" section. Once your download is complete, you can simply set the Colorful Tetris Wallpaper 35 as your background.
Following the click of the download button, right click on the Colorful Tetris Wallpaper 35 image and select 'save as' to complete your download.