Windows Desktop Search enables fast search on your PC using indexing technology. It helps you to find your documents, email, music, photos and other items. The search engine in Windows Desktop Search (WDS) 3.0 is a Windows service that can be used by applications such as Microsoft Office Outlook 2007 and Office OneNote 2007 to index application content and deliver instant results when searching within an application. After you install this item, you may have to restart your computer.