To Install Hotshift v3.1.0:
Run hsinstall.exe

Requires Windows Installer

If Windows Installer is not on your system
download at one of the links below:

http://download.microsoft.com/download/WindowsInstaller/Install/2.0/W9XMe/EN-US/InstMsiA.exe

http://www.zdnet.com/downloads/stories/info/0,10615,67555,00.html