http://download.novell.com, and the get the latest client software. Be sure to do a CUSTOM installation, using only the IPX protocol, and BINDERY authentication.
The link previously provided will probably get you connected, since the NetWare server is a fairly old version. But that solution is far from state of the art, and does introduce it's own set of difficulties.
If you're asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. Also please exercise your best judgment when posting in the forums--revealing personal information such as your e-mail address, telephone number, and address is not recommended.
Client for NT4 Workstation
Give me the link
Thanks
Amar