MacSearch is a free and useful application that searches your PC in Spotlight style!
No installation is needed. Simply extract all files to the folder Program Files / MacSearch and make the shortcut to the file MacSearch.exe in the folder StartUp. Double click the tray icon to show the search field. The image file will be created (in 10-20 sec.). Search anything. Right click onto the file name in the list to see the context menu. Right click the search window or the tray icon to get the main application menu.