XSearch is a free search tool that with more features that Windows Search
didn't provided. It can search files on your computer in high speed. When
searching for special words in files, you can specify the words option such as
"Any of the words", "All of the words", "Exact phrase", "Without the words"
etc, you also can search files in hexadecimal. XSearch also automatically
supports to search words in files in Unicode or UTF8 format. XSearch supports
to search for files in specified size, date time, not like Windows search, you
also can specify the exact size (in bytes, KB, MB or GB), the exact date
and/or time for searching. The search result can be saved to file and read
back at any time as you want. XSearch provides a Hex View tool that allow you
to view the contents of the file in hexadecimal. XSearch supports most of the
file operations in Explorer such as Copy, Cut, Rename, Drag and drop etc.

XSearch needn't to be installed, download the single program file then you can
start to use it.