In the meantime The STAIRS Project Offers NewSearch 4 Release 2.0 - the desktop version - at no charge.
NewSearch 4 is designed for Windows operating systems: Windows XP, Windows 7 and Windows 8.
NewSearch 4 Release 2.0 is available for download. click here.
For the newest NewSearch 4 manual click here.
Directions for installing NS4 start on page 3 of the manual.
For a good Web based searcher for the Writings and the Bible try New Christian Bible Study Search