I have been a user a Copernic Desktop Search for more than 10 years, I think one the best tool to index and search for the files and documents on your computer.
Give it a try: Copernic Desktop Search for Windows

I have been a user a Copernic Desktop Search for more than 10 years, I think one the best tool to index and search for the files and documents on your computer.
Give it a try: Copernic Desktop Search for Windows