I think you mean sql 2000 sp4.

http://www.microsoft.com/downloads/details.aspx?familyid=8e2dfc8d-c20e-4446-99a9-b7f0213f8bc5&displaylang=en

According to above link

Important: SQL Server 2000 Service Pack 4 is not supported on Windows NT 4.0, Windows Millennium Edition and Windows 98 platforms.