FileSearchEX 1.1.0.9 -- Vista, 7, 8, 10, and higher. Server versions also.
filesearchex.zipHelp Manual -- Included with the installer. Short and easy to read.
manual.pdfFilter Pack 2.0 -- For searching inside some file types, try without it first.
FilterPack.exeLanguage Pack -- User submitted translations.
lang.zipDownload past editions of the 1.0 series.