Insert the Netscape Application Server Install CD-ROM into the CD-ROM drive.
Click Start on the Windows NT taskbar and click Run, or choose File - Run from the Windows NT Program Manager and click Run.
Click Browse and go to the CD-ROM drive (for example, D:\).
Under the NT directory, run the file setup.exe.
Follow the instructions of the installation program.
When prompted for the software you want to install, click Netscape Application Server Administrator.
When prompted for the target installation directory, enter the directory name. The default directory is c:\nas21\.
You cannot use a directory name that includes spaces.
Select the program folder for Netscape Application Server Administrator.
After the installation program finishes running, reboot your machine.