To use the Align to Grid function to arrange the icons on the desktop, please follow the steps below.
1. Right-click any open area on the desktop.
2. Point to Arrange Icons by and click Align to Grid.
To disable the settings, click Align to Grid again.
For more information, please refer to the following solution in Microsoft's technical support website.
Article ID: Q293478
Last Reviewed: September 5, 2001
Title: Line up Icons Command Is Missing on Windows XP Desktop.