I have a storage hard drive with a lots of precious information stored on it. This hard drive crashed accidentally and now i don't have any idea how to recover data. Is there any suggestion i can search and recover files from hard drive on windows PC?

You need to try software like "DDR Professional data recovery software". For this software you can visit here :http://www.prodatadoctor.net/downloadsoftware/datarecovery/recoverfiles/professional-windows-recovery-program.html