At a command prompt on the Firewall client computer, type:
Path\Setup
where Path is the path to the shared ISA Server client
installation files.
Follow the on-screen instructions.
Notes
To perform this procedure, you must be a member of the
Administrators group on the client computer.
You cannot install Firewall Client software on a computer
running any version of ISA Server.
Upon installation, the Firewall Client application is
enabled.
You can install Firewall Client software on client computers
running Microsoft Windows Server 2003, Windows 2000
Server, Windows NT Server 4.0, Windows XP, or
Windows Millennium Edition. You can also install Firewall Client
software on computers running Windows 98 Second Edition with
Microsoft Internet Explorer 5 or later installed.