Fast ,quick and free files and folders search utility for windows

http://www.voidtools.com/
Search Everything tool.

Fast file search
Quick file search
find all files and folders in a jiff

missed or forget the name of the file or folder in your harddisk/system

Quick and easy way to search local files

Find files fast
search files on NTFS windows drives fast

Fast and free search utility

Portable free file search tool

Related tools:
Search Everything - http://www.voidtools.com/
 
File seek - http://www.fileseek.ca/

Ultra search - https://www.jam-software.com/ultrasearch/